Add Datadog service definition to register applications in the Service Catalog

[cloud-janitors-figure]

This PR Creates a service.datadog.yaml file, which will automatically register this repository and its deployments with the Datadog Service Catalog. This file is created using the data gathered during our last RAU day.

Information that gets tied to Datadog includes team name and a link to their slack channel. APIs with docs in the Developer Portal will also have an included link.

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📣 Required Action

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Link to Notion Blog Post

Please see this shortcut ticket for more information.

[sc-208917]

[shortcut-integration[bot]]

This pull request has been linked to Shortcut Story #208917: Create service.datadog.yaml in every repository.

[github-actions[bot]]

Unit Test Results

5 files  5 suites   2s :stopwatch: 8 tests 8 :heavy_check_mark: 0 :zzz: 0 :x: 9 runs  9 :heavy_check_mark: 0 :zzz: 0 :x:

Results for commit c3e95c5b.