LSH-1.2.0

Create a version 1.2.0 of LFF SHell

New Features:

• Uses your bashrc to load your PATH and other environment variables (including PS1).
• Updated version number to 1.2.0
  Removed Features:
• Removed "cmds" command since it is no longer relevant with the separation of LPM and LSH
• Removed clear screen on startup since it can be annoying for users who want to see their terminal output before starting LSH

Create a version 1.0.0 of Lff Linux Package Manager (LPM)

New Features:

• Revamped installation process to be more user-friendly and robust
• Revamped application structure to be more modular and maintainable