[13] A couple bug fixes, music, & pause menu

A couple updates to the build!

• Addition of start screen & end scene music by Marwan Ramen
• Addition of music clips to radio by Gamelan Sang Bagaskara
• Pause menu now allows you to return to the start screen without having to quit the application
• Send report animation bug fixed
• Intro scene bug fixed

If you encounter any bugs that makes our game unplayable, please reach out to us at operationkanshi [at] gmail [dot] com.