Setup basic folder structure

[christoff-linde]

This involves setting up a basic folder structure, including:

• env var management/reading
• basic hello world
• any other relevant files/folders

[linear[bot]]

CHR-37 Setup basic folder structure

[christoff-linde]

A folder structure should be setup for each of the applications. This includes:

• web api (name pending)
• db (shared logic, schemas, and migrations)
• mqtt consumer (name pending)