SA2B: v2.1 Content Update (#1563)

Changelog:

Features:
- New goal
  - Grand Prix
    - Complete all of the Kart Races to win!
- New optional Location Checks
  - Omosanity (Activating Omochao)
  - Kart Race Mode
- Ring Loss option
  - `Classic` - lose all rings on hit
  - `Modern` - lose 20 rings on hit
  - `OHKO` - instantly die on hit, regardless of ring count (shields still protect you)
- New Trap
  - Pong Trap

Quality of Life:
- SA2B is now distributed as an `.apworld`
- Maximum possible number of Emblems in item pool is increased from 180 to 250
- An indicator now shows on the Stage Select screen when `Cannon's Core` is available
- Certain traps (`Exposition` and `Pong`) are now possible to receive on `Route 101` and `Route 280`
- Certain traps (`Confusion`, `Chaos Control`, `Exposition` and `Pong`) are now possible to receive on `FinalHazard`

Bug Fixes:
- Actually swap Intermediate and Expert Chao Races correctly
- Don't always grant double score for killing Gold Beetles anymore
- Ensure upgrades are applied properly, even when received while dying
- Fix the Message Queue getting disordered when receiving many messages in quick succession
- Fix Logic errors
  - `City Escape - 3` (Hard Logic) now requires no upgrades
  - `Mission Street - Pipe 2` (Hard Logic) now requires no upgrades
  - `Crazy Gadget - Pipe 3` (Hard Logic) now requires no upgrades
  - `Egg Quarters - 3` (Hard Logic) now requires only `Rouge - Mystic Melody`
  - `Mad Space - 5` (Hard Logic) now requires no upgrades

Co-authored-by: RaspberrySpaceJam <tyler.summers@gmail.com>

setup.py

@@ -49,6 +49,7 @@ apworlds: set = {
     "Subnautica",
     "Factorio",
     "Rogue Legacy",
+    "Sonic Adventure 2 Battle",
     "Donkey Kong Country 3",
     "Super Mario World",
     "Stardew Valley",