add cn-cbor/1.0.0

[gocarlos]

Specify library name and version: lib/1.0

• I've read the guidelines for contributing.
• I've followed the PEP8 style guides for Python code in the recipes.
• I've used the latest Conan client version.
• I've tried at least one configuration locally with the
  conan-center hook activated.

[conan-center-bot]

Recipe syntax error in build 1:

WARN: Remotes registry file missing, creating default one in /home/conan/.conan/remotes.json
ERROR: Error loading conanfile at '/home/conan/workspace/onan-center-pull-request_PR-1313/recipes/cn-cbor/all/conanfile.py': Unable to load conanfile in /home/conan/workspace/onan-center-pull-request_PR-1313/recipes/cn-cbor/all/conanfile.py
  File "/opt/pyenv/versions/3.7.5/lib/python3.7/site-packages/conans/model/ref.py", line 197, in loads
    name, version, user, channel, revision = get_reference_fields(text)
  File "/opt/pyenv/versions/3.7.5/lib/python3.7/site-packages/conans/model/ref.py", line 66, in get_reference_fields
    el1, el2 = _split_pair(arg_reference, "/") or (arg_reference, None)
  File "/opt/pyenv/versions/3.7.5/lib/python3.7/site-packages/conans/model/ref.py", line 18, in _split_pair
    raise ConanException("The reference has too many '{}'".format(split_char))
conans.errors.ConanException: The reference has too many '/'

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/opt/pyenv/versions/3.7.5/lib/python3.7/site-packages/conans/client/loader.py", line 339, in _parse_conanfile
    loaded = imp.load_source(module_id, conan_file_path)
  File "/opt/pyenv/versions/3.7.5/lib/python3.7/imp.py", line 171, in load_source
    module = _load(spec)
  File "<frozen importlib._bootstrap>", line 696, in _load
  File "<frozen importlib._bootstrap>", line 677, in _load_unlocked
  File "<frozen importlib._bootstrap_external>", line 724, in exec_module
  File "<frozen importlib._bootstrap_external>", line 860, in get_code
  File "<frozen importlib._bootstrap_external>", line 791, in source_to_code
  File "<frozen importlib._bootstrap>", line 219, in _call_with_frames_removed
  File "/home/conan/workspace/onan-center-pull-request_PR-1313/recipes/cn-cbor/all/conanfile.py", line 69
    elif self.settings.os == "Windows":
       ^
SyntaxError: invalid syntax

[gocarlos]

this is using the complete branch from @jimsch as as stated in cabo/cn-cbor#60 the original author recommends to use it.

related to #1194

[conan-center-bot]

Some configurations of 'cn-cbor/20200326' failed in build 2 (4f749d557da6c3c268964be602ba4584d773a3d9):

• Linux x86_64, Release, gcc 5, libstdc++ . Options: cn-cbor:shared-True
  • Hooks errors detected:
    • [HOOK - conan-center.py] post_package(): ERROR: [PACKAGE LICENSE (KB-H012)] No 'licenses' folder found in package: /tmp/c3ipr/pr_1313_2_0_0/.conan/data/cn-cbor/20200326/_/_/package/e30939caa2339df448fcf9917da7b5ebc54646b6 (https://github.com/conan-io/conan-center-index/wiki/Error-Knowledge-Base#KB-H012)
    • [HOOK - conan-center.py] post_package(): ERROR: [DEFAULT PACKAGE LAYOUT (KB-H013)] Unknown file 'README.md' in the package (https://github.com/conan-io/conan-center-index/wiki/Error-Knowledge-Base#KB-H013)
    • [HOOK - conan-center.py] post_package(): ERROR: [DEFAULT PACKAGE LAYOUT (KB-H013)] Unknown file 'LICENSE' in the package (https://github.com/conan-io/conan-center-index/wiki/Error-Knowledge-Base#KB-H013)
    • [HOOK - conan-center.py] post_package(): ERROR: [PC-FILES (KB-H020)] The conan-center repository doesn't allow the packages to contain pcfiles. The packages have to be located using generators and the declaredcpp_infoinformation (https://github.com/conan-io/conan-center-index/wiki/Error-Knowledge-Base#KB-H020)
    • [HOOK - conan-center.py] post_package(): ERROR: [PC-FILES (KB-H020)] Found files:
    • [HOOK - conan-center.py] post_package(): ERROR: [CMAKE-MODULES-CONFIG-FILES (KB-H016)] The conan-center repository doesn't allow the packages to contain CMake find modules or config files. The packages have to be located using generators and the declared cpp_infoinformation (https://github.com/conan-io/conan-center-index/wiki/Error-Knowledge-Base#KB-H016)
    • [HOOK - conan-center.py] post_package(): ERROR: [CMAKE-MODULES-CONFIG-FILES (KB-H016)] Found files:
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[conan-center-bot]

Some configurations of 'cn-cbor/20200326' failed in build 3 (c7f5b57c9040813fb4cfd77dded78d5230475ab5):

• Windows x86_64, Debug, Visual Studio 15, MDd. Options: cn-cbor:shared-True
  • Log download
  • Log error Download
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• Windows x86_64, Release, Visual Studio 15, MD. Options: cn-cbor:shared-True
  • Log download
  • Log error Download
  • Profile
• Access to all the logs

[conan-center-bot]

All green in build 4 (43d3a82c1dc481a060c5a1e06180d579ca7d2e98)! 😊

• cn-cbor/20200326: Generated 76 packages. All logs here

[conan-center-bot]

All green in build 5 (bc7f6f1854a7665a60398f3d14d314a035a48899)! 😊

• cn-cbor/20200326: Generated 76 packages. All logs here

[uilianries]

LGTM

[conan-center-bot]

All green in build 6 (ca9be3ac83717d2ac15457fce390a7bbd0ce993f)! 😊

• cn-cbor/20200409: Generated 76 packages. All logs here

[conan-center-bot]

All green in build 7 (63df96e6a9a743895c0d67c3c311095ff249812b)! 😊

• cn-cbor/1.0.0: Generated 76 packages. All logs here