v0.12.0

What's Changed

• add basic files to get infrastructure running by @TiansuYu in #3
• new semantic versioning format for dev release by @TiansuYu in #4
• tiansu copy squirrel codebase by @TiansuYu in #5
• Tiansu add docs by @TiansuYu in #9
• add pypi classifiers by @TiansuYu in #10
• change version norm by @TiansuYu in #11

Full Changelog: https://github.com/merantix-momentum/squirrel-core/commits/v0.12.0