Addresses https://github.com/coder/nexus/issues/35.
This PR:
- Adds a `workspace_modules` table to track modules used by the
Terraform provisioner in provisioner jobs.
- Adds a `module_path` column to the `workspace_resources` table,
allowing to identify which module a resource originates from.
- Starts pushing this new information into telemetry.
For the person reviewing this PR, do not fret about the 1,500 new lines
- ~1,000 of them are auto-generated.