application end point registration API yaml

[maheshc01]

What type of PR is this?

This PR is to review and update application endpoint registration API yaml.

Add one of the following kinds:

• bug
• correction
• enhancement/feature
• cleanup
• documentation
• subproject management
• tests

What this PR does / why we need it:

Initial commit of the yaml to provide ability to register application endpoints.

Which issue(s) this PR fixes:

issue #286

Fixes #

Special notes for reviewers:

This is only the initial commit and additional updates are required related to documentation, error codes etc to ensure it meets the CAMARA guidelines.

Changelog input

 release-note

Additional documentation

This section can be blank.

docs

[github-actions]

🦙 MegaLinter status: ✅ SUCCESS

Descriptor	Linter	Files	Fixed	Errors	Elapsed time
✅ ACTION	actionlint	2		0	0.02s
✅ JSON	eslint-plugin-jsonc	1	0	0	1.31s
✅ JSON	jsonlint	1		0	0.18s
✅ JSON	prettier	1	1	0	1.26s
✅ JSON	v8r	1		0	2.4s
✅ OPENAPI	spectral	4		0	8.27s
✅ REPOSITORY	git_diff	yes		no	0.53s
✅ REPOSITORY	secretlint	yes		no	4.93s
✅ YAML	yamllint	4		0	1.02s

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