Add character assets and manifests for Invincible VS, Street Fighter 6, and Tekken 8

- Added character images for Invincible VS: Dupli-Kate, Ella Mental, Invincible, Lucan, Monster Girl, Omni-Man, Powerplex, Rex Splode, Robot, Thula, Titan, and a logo.
- Created manifest.json for Invincible VS with character details and default pairing.
- Updated registry.json to reflect the total size of Guilty Gear -Strive-.
- Added character images for Street Fighter 6: A.K.I., Akuma, Bison, Blanka, Cammy, Chun-Li, Dee Jay, Dhalsim, E. Honda, Ed, Elena, Guile, Jamie, JP, Juri, Ken, Kimberly, Lily, Luke, Mai, Manon, Marisa, Rashid, Ryu, Sagat, Terry, Viper, and Zangief, along with a logo and manifest.json.
- Added character images for Tekken 8: Alisa, Anna, Armor King, Asuka, Azucena, Bryan, Claudio, Clive, Devil Jin, Dragunov, Eddy, Fahkumram, Feng, Heihachi, Hwoarang, Jack-8, Jin, Jun, Kazuya, King, Kuma, Lars, Law, Lee, Leo, Leroy, Lidia, Lili, Miary Zo, Nina, Panda, Paul, Raven, Reina, Shaheen, Steve, Victor, Xiaoyu, Yoshimitsu, and Zafina, along with a logo and manifest.json.

registry.json

@@ -32,7 +32,7 @@
       "id": "guilty-gear-strive",
       "name": "Guilty Gear -Strive-",
       "version": "1.0.0",
-      "totalSizeBytes": 3840000,
+      "totalSizeBytes": 14030612,
       "logoPath": "guilty-gear-strive/logo.png",
       "characterCount": 32,
       "palette": {