Add git precommit hook and github actions

[chen-argmax]

Description

• Add github action check-format and build-test-kotlin to run spotless, detekt and android unit tests on PRs
• Update spotless to use clang-format 14 - it has a stable version on both mac and ubuntu, making it possible to work on local and remote env. Also apply the fix on newly added c files
• Update a git precommit hook to apply spotless formatter for 3 sets of files: kt, gradle and cpp, if no files were changed after reformatting abort the commit
• update readme to configure precommit hook and clang-format

Type of Change

• Bug fix 🐛
• New feature 🚀
• Refactor 🔄
• Documentation update 📖
• Other (please describe)

Test Plan

• I have run bash test/test_build_all.sh and it ran successfully
• I have tested this change on all relevant platforms.

Checklist

• My code follows the project's style guidelines.
• I have updated relevant documentation (if applicable).
• I have added appropriate tests (if applicable).
• I have self-reviewed my code before requesting review.