docs: generate API docs (#4)

Co-authored-by: haithium <128622475+haithium@users.noreply.github.com>

Author: github-actions[bot]

docs/index.md

@@ -1,7 +1,6 @@
 # timeutil
 
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 ![Platform](https://img.shields.io/badge/platform-linux%20%7C%20macos%20%7C%20windows-blue?style=flat-square)
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