OSRS Tracker API Next

A new implementation for the OSRS Tracker API. Completely reworked from the ground up.

Environment variables

BACK_COMP_BASE_URL: Base url of the old api for backcomp (default 'https://api.greendemon.io/osrs-tracker').

MONGO_URL: The url to the mongo database.
MONGO_DATABASE: The name of the mongo database.
MONGO_USER: The user of the mongo database.
MONGO_PASSWORD: The password for the mongo database user.
MONGO_AUTH_SOURCE: The auth source for the mongo database user.

PORT: Port that exposes the api (default 8080).
PORT_METRICS: Port that exposes the metrics (default 8088).
WORKER_COUNT: Number of workers to be used (default number of cpus).