Add install instructions to README

[maltfield]

Please add instructions for how to fetch this package and use it to the "Usage" section to the README with

1. a few commands that demonstrate how to install and use this package and
2. an example execution of the above commands

[maltfield]

Suggested install instructions (missing usage instructions):

sudo apt-get -y install python3 python3-pip
sudo pip3 install requests
sudo pip3 install kivy-garden
garden install navigationdrawer

Example execution of above install instructions:

user@disp3794:~$ sudo apt-get -y install python3 python3-pip
Reading package lists... Done
Building dependency tree       
Reading state information... Done
python3 is already the newest version (3.7.3-1).
python3 set to manually installed.
The following packages were automatically installed and are no longer required:
  linux-headers-4.19.0-6-amd64 linux-headers-4.19.0-6-common
  linux-image-4.19.0-6-amd64 python-daemon python-lockfile python-qubesdb
Use 'sudo apt autoremove' to remove them.
The following additional packages will be installed:
  dh-python libexpat1-dev libpython3-dev libpython3.7-dev python-pip-whl
  python3-dev python3-entrypoints python3-keyring python3-keyrings.alt
  python3-secretstorage python3-setuptools python3-wheel python3.7-dev
Suggested packages:
  gir1.2-gnomekeyring-1.0 python-secretstorage-doc python-setuptools-doc
The following NEW packages will be installed:
  dh-python libexpat1-dev libpython3-dev libpython3.7-dev python-pip-whl
  python3-dev python3-entrypoints python3-keyring python3-keyrings.alt
  python3-pip python3-secretstorage python3-setuptools python3-wheel
  python3.7-dev
0 upgraded, 14 newly installed, 0 to remove and 0 not upgraded.
Need to get 51.3 MB of archives.
After this operation, 90.2 MB of additional disk space will be used.
Get:1 https://deb.debian.org/debian buster/main amd64 dh-python all 3.20190308 [99.3 kB]
Get:2 https://deb.debian.org/debian buster/main amd64 libexpat1-dev amd64 2.2.6-2+deb10u1 [153 kB]
Get:3 https://deb.debian.org/debian buster/main amd64 libpython3.7-dev amd64 3.7.3-2+deb10u2 [48.4 MB]
Get:4 https://deb.debian.org/debian buster/main amd64 libpython3-dev amd64 3.7.3-1 [20.1 kB]
Get:5 https://deb.debian.org/debian buster/main amd64 python-pip-whl all 18.1-5 [1,591 kB]
Get:6 https://deb.debian.org/debian buster/main amd64 python3.7-dev amd64 3.7.3-2+deb10u2 [510 kB]
Get:7 https://deb.debian.org/debian buster/main amd64 python3-dev amd64 3.7.3-1 [1,264 B]
Get:8 https://deb.debian.org/debian buster/main amd64 python3-entrypoints all 0.3-1 [5,508 B]
Get:9 https://deb.debian.org/debian buster/main amd64 python3-secretstorage all 2.3.1-2 [14.2 kB]
Get:10 https://deb.debian.org/debian buster/main amd64 python3-keyring all 17.1.1-1 [43.1 kB]
Get:11 https://deb.debian.org/debian buster/main amd64 python3-keyrings.alt all 3.1.1-1 [18.2 kB]
Get:12 https://deb.debian.org/debian buster/main amd64 python3-pip all 18.1-5 [171 kB]
Get:13 https://deb.debian.org/debian buster/main amd64 python3-setuptools all 40.8.0-1 [306 kB]
Get:14 https://deb.debian.org/debian buster/main amd64 python3-wheel all 0.32.3-2 [19.4 kB]
Fetched 51.3 MB in 37s (1,393 kB/s)                                            
Selecting previously unselected package dh-python.
(Reading database ... 233325 files and directories currently installed.)
Preparing to unpack .../00-dh-python_3.20190308_all.deb ...
Unpacking dh-python (3.20190308) ...
Selecting previously unselected package libexpat1-dev:amd64.
Preparing to unpack .../01-libexpat1-dev_2.2.6-2+deb10u1_amd64.deb ...
Unpacking libexpat1-dev:amd64 (2.2.6-2+deb10u1) ...
Selecting previously unselected package libpython3.7-dev:amd64.
Preparing to unpack .../02-libpython3.7-dev_3.7.3-2+deb10u2_amd64.deb ...
Unpacking libpython3.7-dev:amd64 (3.7.3-2+deb10u2) ...
Selecting previously unselected package libpython3-dev:amd64.
Preparing to unpack .../03-libpython3-dev_3.7.3-1_amd64.deb ...
Unpacking libpython3-dev:amd64 (3.7.3-1) ...
Selecting previously unselected package python-pip-whl.
Preparing to unpack .../04-python-pip-whl_18.1-5_all.deb ...
Unpacking python-pip-whl (18.1-5) ...
Selecting previously unselected package python3.7-dev.
Preparing to unpack .../05-python3.7-dev_3.7.3-2+deb10u2_amd64.deb ...
Unpacking python3.7-dev (3.7.3-2+deb10u2) ...
Selecting previously unselected package python3-dev.
Preparing to unpack .../06-python3-dev_3.7.3-1_amd64.deb ...
Unpacking python3-dev (3.7.3-1) ...
Selecting previously unselected package python3-entrypoints.
Preparing to unpack .../07-python3-entrypoints_0.3-1_all.deb ...
Unpacking python3-entrypoints (0.3-1) ...
Selecting previously unselected package python3-secretstorage.
Preparing to unpack .../08-python3-secretstorage_2.3.1-2_all.deb ...
Unpacking python3-secretstorage (2.3.1-2) ...
Selecting previously unselected package python3-keyring.
Preparing to unpack .../09-python3-keyring_17.1.1-1_all.deb ...
Unpacking python3-keyring (17.1.1-1) ...
Selecting previously unselected package python3-keyrings.alt.
Preparing to unpack .../10-python3-keyrings.alt_3.1.1-1_all.deb ...
Unpacking python3-keyrings.alt (3.1.1-1) ...
Selecting previously unselected package python3-pip.
Preparing to unpack .../11-python3-pip_18.1-5_all.deb ...
Unpacking python3-pip (18.1-5) ...
Selecting previously unselected package python3-setuptools.
Preparing to unpack .../12-python3-setuptools_40.8.0-1_all.deb ...
Unpacking python3-setuptools (40.8.0-1) ...
Selecting previously unselected package python3-wheel.
Preparing to unpack .../13-python3-wheel_0.32.3-2_all.deb ...
Unpacking python3-wheel (0.32.3-2) ...
Setting up python3-entrypoints (0.3-1) ...
Setting up dh-python (3.20190308) ...
Setting up python3-setuptools (40.8.0-1) ...
Setting up python3-wheel (0.32.3-2) ...
Setting up libexpat1-dev:amd64 (2.2.6-2+deb10u1) ...
Setting up python3-secretstorage (2.3.1-2) ...
Setting up python3-keyrings.alt (3.1.1-1) ...
Setting up python3-keyring (17.1.1-1) ...
Setting up python-pip-whl (18.1-5) ...
Setting up libpython3.7-dev:amd64 (3.7.3-2+deb10u2) ...
Setting up python3.7-dev (3.7.3-2+deb10u2) ...
Setting up python3-pip (18.1-5) ...
Setting up libpython3-dev:amd64 (3.7.3-1) ...
Setting up python3-dev (3.7.3-1) ...
Processing triggers for man-db (2.8.5-2) ...
user@disp3794:~$ sudo pip3 install requests
Requirement already satisfied: requests in /usr/lib/python3/dist-packages (2.21.0)
user@disp3794:~$ 

user@disp3794:~$ sudo pip3 install kivy-garden
Collecting kivy-garden
  Downloading https://files.pythonhosted.org/packages/7d/68/decaee596ff8168a39432eb3949fc7c0be952ebb9467806823bffc165d48/kivy-garden-0.1.4.tar.gz
Requirement already satisfied: requests in /usr/lib/python3/dist-packages (from kivy-garden) (2.21.0)
Building wheels for collected packages: kivy-garden
  Running setup.py bdist_wheel for kivy-garden ... done
  Stored in directory: /root/.cache/pip/wheels/e5/09/36/4bec048252175b6aa7ba75441cbeed8f31a0bea37abedcfed0
Successfully built kivy-garden
Installing collected packages: kivy-garden
Successfully installed kivy-garden-0.1.4
user@disp3794:~$ 

user@disp3794:~$ garden install navigationdrawer
Downloading http://github.com/kivy-garden/garden.navigationdrawer/archive/master.zip ...
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Download done (87425 downloaded)
Extracting...
Installing new version...
Done! garden.navigationdrawer is installed at: /home/user/.kivy/garden/garden.navigationdrawer
Cleaning...
user@disp3794:~$