Welcome back starknights!

This update adds 2 new synergies and 2 new attachments, as well as changes some already existing attachments, revolving around the new AOE class.

Added:
   - AOE attachment class
   - AOE synergy
   - Seeker synergy
   - new attachment: Void Bomber
   - new attachment: Seeker Missile
Issues Fixed:
   - Bullets no longer occasionally fire twice
   - Firerate is more consistent
Changes:
   - Shields look way better now
   - final upgrade of cannon now has AOE explosion
   - Buying attachments has a particle effect
   - adjusted upgrades for some attachments