add new docs to MANIFEST.in

Author: RonnyPfannschmidt

MANIFEST.in

@@ -1,6 +1,8 @@
 exclude *.nix
 exclude .pre-commit-config.yaml
+exclude changelog.d/*
 exclude .git_archival.txt
+exclude .readthedocs.yaml
 include *.py
 include testing/*.py
 include tox.ini
@@ -10,5 +12,14 @@ include *.toml
 include mypy.ini
 include testing/Dockerfile.*
 include src/setuptools_scm/.git_archival.txt
+include README.md
+include CHANGELOG.md
+
+
 recursive-include testing *.bash
 prune nextgen
+
+recursive-include docs *.md
+include docs/examples/version_scheme_code/*.py
+include docs/examples/version_scheme_code/*.toml
+include mkdocs.yml