add explicit types to req and res

optional GATEWAY .env variable

use new config

Fix: No more type casting required, rather take the gernics

Config: Final config additons, now everything should work as desired

Config: Refactor config method, so we have a new get all option, fix issues in configurations

Config: First rewrite of config and working implementation of getting values

Config: Those bracks dont go there

Config: Redo config to be more straight to the point

Config: Be able to configure the target_url

Change default port: ...

Client = 3000
API = 3001
Gateway = 3002

change default port to 1000 + CORS

experiments + gateway route