Chore: removing all references of portainer block in medusa-config.json

Adding .devcontainer

Chore: added secret generator #7 (closed)

Chore: added basic mysql connector

Chore: added capability to exclude branches via 'excludedBranches' entry in medusa-config.json #6 (closed)

Chore: implementing logic to insert secrets into composer file

Chore: adding capability to display public secrets at URI post #12 (closed)

Chore: removing treafik network handling #9 (closed)

Chore: adding new env vars to replace portainer block in medusa-config.json #5 (closed) #10 (closed)