* Initial implementation
* Refactor UI related classes and organize imports
* Display selected files notification, include the files in the prompt
* feat: store referenced file paths in the messate state
* feat: add selected files accordion
* feat: update UI
* feat: improve file selection
* feat: support prompt template configuration
* fix: token calculation for virtualfile checkbox tree
* refactor: clean up
* refactor: move labels/descriptions to bundle
* adds: configuration for the commit-message system prompt
this will remove the default file and move it to the code to be overwritten if the user chooses to modify the prompt.
* fix: checkstyle
---------
Co-authored-by: Carl-Robert Linnupuu <carlrobertoh@gmail.com>