Support having actions at any folder level

[tmathern]

Check for manifest presence.

Check for manifest presence to support having deployable actions at any folder level.

#168
Also, NUI-246.

Motivation and Context

Nui needs this to deploy.

How Has This Been Tested?

Updated unit tests.

Screenshots (if appropriate):

Types of changes

• [x ] Bug fix (non-breaking change which fixes an issue)
• [x ] New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ x] I have signed the Adobe Open Source CLA.
• [ x] My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• [ x] I have read the CONTRIBUTING document.
• [ x] I have added tests to cover my changes.
• [ x] All new and existing tests passed.

[codecov]

Codecov Report

Merging #169 into master will not change coverage.
The diff coverage is 100%.

@@           Coverage Diff           @@
##           master     #169   +/-   ##
=======================================
  Coverage   93.78%   93.78%           
=======================================
  Files          20       20           
  Lines         563      563           
  Branches       67       67           
=======================================
  Hits          528      528           
  Misses         31       31           
  Partials        4        4

Impacted Files	Coverage Δ
src/commands/app/deploy.js	100% <100%> (ø)	⬆️

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[moritzraho]

Hi @tmathern,

would it be ok for you to change the condition from has actions/ folder to has ./manifest.yml file instead of removing it?

we would like to still support aio app deploy even if there is no backend/frontend by skipping the build/deployment

@sandeep-paliwal is currently implementing the UI only case and checks backend existance by checking the manifest.yml file see https://github.com/adobe/aio-app-scripts/pull/80/files#diff-59e86d77d535d34e7d6039470196fc03R118

[alexkli]

@moritzraho Makes sense.

[tmathern]

@moritzraho Ack. I updated the PR to rely on manifest.yml for deployment.

[moritzraho]

thanks @tmathern! merging the PR