Add CHANGELOG for v30.10.1 (#122)

Author: keshav-space

CHANGELOG.rst

@@ -2,6 +2,16 @@ Changelog
 =========
 
 
+Version v30.10.1
+----------------
+
+- Add Nix flake as a build system.
+- Refactor gem and make nuget hashable.
+- Update skeleton.
+- Handle NoneType in VersionRange.from_string.
+- Handle npm prerelease caret range expression.
+
+
 Version v30.10.0
 ----------------