Migrated to new domain

Moved from Express to Http.
Migrated to custom domain since glitch shut down.

Added PUUID Endpoint

• Added puuid endpoint
• Added rate limiting for discord webhook
• Refactored old code
• Removed old logging
• Removed unused dependencies
• Updated cache to 5 minutes to be inline with Henrik's API's cache

Added rate-limiting

Added a 30 seconds rate limit to each request with the same username.
During these 30 seconds, cached result will be provided.