Implement proper API authentication layer in strategies and databases

Current databases and strategies API have no proper way to authenticate requests (other than using a specific ENV like Snyk which define one). Relying on ENV for others is not the way to go for me.

We could probably provide a class to handle different scenarios (Basic, Bearer etc) such as https://github.com/OpenAlly/loki/blob/main/src/class/ApiCredential.class.ts

