Feature Request: Resource decorator for locks or other extension resources

**Is your feature request related to a problem? Please describe.**
It would be nice if extension resources could be defined as resource decorators, but this may be a slippery slope to keep up.

**Describe the solution you'd like**
Example: Azure Locks

Ideal:
```
@lock('DoNotDelete')
resource DatabaseIDontWantToDelete
```

The issue names no files, tests, or entry points; begin by clarifying whether the scope is Azure Locks or generic extension resources. Done would require an agreed decorator syntax and behavior for the requested resource-decorator feature.

Written by the indexing model from the issue text.