Use nearest wing.toml (if available) to find entrypoint for wing commands

[MarkMcCulloh]

Use Case

Given a folder structure:

- app/
  - wing.toml
  - main.w
  - util/
    - lib.w

and a cwd of app/util, running wing it should run app/main.w

Proposed Solution

When a wing command is run, search up directories until a wing.toml is found.
If none is found, use existing behavior to select an available wing file.
If a wing.toml is found, the existing behavior should be used to find a wing file within that directory instead

Implementation Notes

No response

Component

No response

Community Notes

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[eladb]

If a wing.toml is found, the existing behavior should be used to find a wing file within that directory instead

I think the IDE should find all wing entrypoints starting at wing.toml (tests and main files)

[MarkMcCulloh]

This feature is related to the CLI specifically