Create LICENSE

Add Git init step in how to use

Move UnitTests calss

Add unit tests

Add Unit Tests in CI (GitHub Actions)

Implement complete JAVA parsing unit test (based on AOSP Launcher3 source code)

Improve Unit tests for Java parser

Add comments

Fix parsing of empty function {}

Fix add code into 'interface'

Fix 'annotation' detection in Anonymous inner class

Fix new code generation algorithm

Update postions and offset offset of blocks when editing it

Fix sub block code generation

Update test file