[Prison] Add back token shop

[Cricri6820]

We can add back Token shop (exemple: buy a multiplier with tokens)

For exemple :

• 30 minutes 0.1 multiplier (stackable) for 10K tokens
• 30 minutes 0.2 multiplier (stackable) for 20K tokens
• 30 minutes 0.3 multiplier (stackable) for 30K tokens
• 30 minutes 0.5 multiplier (stackable) for 50K tokens
• 1 common key for 500 tokens
• 1 rare key for 1000 tokens
• 1 legendary key for 3K tokens
• 1 tag key for 2K tokens
• 1 multi key for 100K tokens
• 1 command key for 70K tokens
• 1 ultra key for 250K tokens
• 1 prestige key for 250K tokens
• Your head for 50K tokens (exemple : if I buy this item and I have a devil's skin with /skin, it will give me a devil's head)

You can edit price for these item

[DeadMaster]

The token shop is planned to get added back.