rev193 upgrade for RS Mod

[bmyte]

What has been done?

• updated README.md to reflect fork as experimental offshoot repo
• updated all packet structures in packets.yml
• updated blocks.yml
• updated LoginDecoder for CRC scrambling added after rev188
• updated PlayerUpdateBlockSegment, AddLocalNpcSegment, and EntityUpdateType for sync ops
• updated NPC and interface id references to reflect current ones in cache
• implemented fullscreen welcome screen and set for Happy Christmas!
• add devops commands for more fine-tuned testing of interfaces and clientscripts
• added older interfaces model options buttons support (also called IF1)
• added mostly working bank tab implementation
• some code cleanup and conventions for plugins

Notes|

• unlinked previous game notifications implementation due to unknown expected behavior for which button should activate it
• issues with display mode exist when mode does not match player save on login