Don't test on 2.7; add pypi badge; add readthedocs yaml

.github/workflows/ci.yml

@@ -11,8 +11,9 @@ jobs:
 
     runs-on: ubuntu-latest
     strategy:
+      fail-fast: false
       matrix:
-        python-version: [2.7, 3.7, 3.8, 3.9]
+        python-version: [3.7, 3.8, 3.9]
 
     steps:
     - uses: actions/checkout@v2

.readthedocs.yaml

@@ -0,0 +1,15 @@
+version: 2
+
+build:
+  os: ubuntu-22.04
+  tools:
+    python: "3.11"
+
+
+sphinx:
+  configuration: doc/conf.py
+
+
+python:
+  install:
+    - requirements: doc/requirements.txt

README.md

@@ -3,6 +3,7 @@
 [![Build](https://github.com/LEMS/pylems/actions/workflows/ci.yml/badge.svg)](https://github.com/LEMS/pylems/actions/workflows/ci.yml)
 [![Check LEMS examples](https://github.com/LEMS/pylems/actions/workflows/examples.yml/badge.svg)](https://github.com/LEMS/pylems/actions/workflows/examples.yml)
 [![Documentation Status](https://readthedocs.org/projects/pylems/badge/?version=latest)](https://pylems.readthedocs.io/en/latest/?badge=latest)
+[![PyPI](https://img.shields.io/pypi/v/pylems)](https://pypi.org/project/pylems/)
 
 
 A LEMS (http://lems.github.io/LEMS) simulator written in Python which can be used to run NeuroML2 (http://neuroml.org/neuroml2.php) models.