feat: workflows for cargo build, fmt, clippy, PR

[FlynnOConnell]

Looks like we need to create a secret for the repo with the connection string to the database, something like:

postgresql://username:password@localhost/databasename

and access with

${{ secrets.DATABASE_URL }}

[LukeBrandon]

https://github.com/launchbadge/sqlx/issues/1737

• Possible solution is to just run cargo check instead of cargo build

[LukeBrandon]

Looks like we need to create a secret for the repo with the connection string to the database, something like:

postgresql://username:password@localhost/databasename

and access with

${{ secrets.DATABASE_URL }}

It doesn't just want a URL it wants an actual database I think, so it can run test queries to confirm they are valid. Not entirely sure how to get this setup in a workflow