Blitzkrieg 1.7.6

Public service announcements and a few developer quality-of-life changes.

Changes

• Added a PSA system
  • Lets me create announcements without having to release a new update every single time
• Added fixed choices for tank stats instead of typing in numbers like before

Technical Changes

• Command executions now return a payload and the executor now fully handles the interaction replies
• The build script now skips certain steps to speed up building time when building in dev mode