add color configure for each keystroke character. refactor to java

refactor: release initial java version 1.0.0

Close #10

Add smartcase feature.

v0.0.5

Add smartcase and remove case sensitive.

Feat: add user config

Add user config for characters and colors.

Add features

Add word0 jump, word1 jump, and line jump functions.

1. Update release version v0.0.2

2. Exclude some idea file (adding gitignore).