Implement `dependsOn` processing for config

[SteveL-MSFT]

Summary of the new feature / enhancement

Build execution graph for a config

Proposed technical implementation details (optional)

No response

[SteveL-MSFT]

Using ARM syntax, this appears to be: [resourceId('<type>','<name>')] where <name> could be generated using parameters/variables at runtime. For now, (since parameters and variables isn't implemented), it'll just be a string, but we'll follow the syntax.

[SteveL-MSFT]

#175