Adds:
- Spectator mode
- /k-spectate command and auto completer
- /k-restoreinv to see and access to inventory of dead player
- /k-give command and auto completer
- /k-team-inv command

Fixes:
- TP at /k-players inventory clic was not working
- Xp was not used at Teleporter activation
- Age was not well passed for team mates
- Player can be added multiple times in the same team
- Solve a lot of code smells for better performances
- Bad respawn teleportation and game crash
- Team creation with bad colors
- Bad rank calculation for abandoned players
- Targets age invs were not containing all targets
- Kuffle item color was not setup
- Miss spell of some targets
- Error after left join

Changes:
- /k-validate-age to handle team mode
- Game save system to blur players files
- Command management for better performances
- All FilesConformity checker to allow people make modification that works well
- Abandoned player end game tab
- Changed reward internal system