Update Changelog

Author: andfoy

CHANGELOG.md

@@ -0,0 +1,13 @@
+## Version 1.0.0 (2021/04/14)
+
+### Issues Closed
+
+* [Issue 3](https://github.com/python-lsp/python-lsp-jsonrpc/issues/3) - Release v1.0.0
+
+In this release 1 issue was closed.
+
+### Pull Requests Merged
+
+* [PR 2](https://github.com/python-lsp/python-lsp-jsonrpc/pull/2) - PR: Update package name, remove Python 2 compatibility and update CIs, by [@andfoy](https://github.com/andfoy)
+
+In this release 1 pull request was closed.

RELEASE.md

@@ -0,0 +1,17 @@
+To release a new version of python-lsp-jsonrpc:
+1. git fetch upstream && git checkout upstream/master
+2. Close milestone on GitHub
+3. git clean -xfdi
+4. Update CHANGELOG.md with loghub
+5. git add -A && git commit -m "Update Changelog"
+6. Update release version in ``__init__.py`` (set release version, remove 'dev0')
+7. git add -A && git commit -m "Release vX.X.X"
+8. python setup.py sdist
+9. python setup.py bdist_wheel
+10. twine check
+11. twine upload
+12. git tag -a vX.X.X -m "Release vX.X.X"
+13. Update development version in ``__init__.py`` (add 'dev0' and increment minor)
+14. git add -A && git commit -m "Back to work"
+15. git push upstream master
+16. git push upstream --tags