feat(sltt-app): add LAN storage projects configuration #37

[ericpyle]

What issue(s) is this trying to resolve?

• feat(sltt-app): add LAN storage projects configuration feat(sltt-app): add LAN storage projects configuration #37

How does it all work?

• add connections api and handlers for addStorageProject removeStorageProject and getStorageProjects
• use whiltelist.sltt-projects file to track additions or removals via appending to file
• tsv format: {timestamp}\t{-|+}\t{project}\t{adminEmail}

What particularly has changed?

• add connections.tests.ts

Steps for testing

1. (developers) run npm test expect passes

ticket: #37
commit-convention: https://www.conventionalcommits.org/en/v1.0.0/