Big Postjam Update

The jam has ended and during the voting process I made this big update to the game!

Patchnotes:

• Added three special new blocks:
  1. A bumper that gives the particle a temporary speed boost
  2. A magnet that attracts the particle
  3. A HP pickup that repairs the border
• Added a ambient music track that goes hand in hand with the new SFX
• Added the ability to rotate pieces with right click or Q/E or A/D or left/right
• Added 1x2 triangle and 1x2 rectangle tiles
• Loads of visual polish in forms of a custom post processing shader
• Many new animations
• Highscore keeper on game over screen (can you beet my highscore of 373?)
• Increased HP of border from 3 to 5 hits
• Made the UI blend in more with the environment
• ... and probably more things I forgot to mention

Have fun with the update!