Configure Datasource (Hard coded)

[derek-ho]

Description

Adds most of the flow for configure datasource:

• Card view including opensearch and spark
• Clicking on spark allows you to configure it
• Sending one sends off the network request to POST to /_plugins/_datasources

Issues Resolved

[List any issues this PR will resolve]

Check List

• New functionality includes testing.
  • All tests pass, including unit test, integration test and doctest
• New functionality has been documented.
  • New functionality has javadoc added
  • New functionality has user manual doc added
• Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.
For more information on following Developer Certificate of Origin and signing off your commits, please check here.

[codecov]

Codecov Report

Merging #1046 (ed8cfc1) into feature/flint-UI (ad153ed) will decrease coverage by 1.55%.
The diff coverage is n/a.

❗ Current head ed8cfc1 differs from pull request most recent head 0b84fab. Consider uploading reports for the commit 0b84fab to get more accurate results

@@                 Coverage Diff                  @@
##           feature/flint-UI    #1046      +/-   ##
====================================================
- Coverage             45.47%   43.92%   -1.55%     
====================================================
  Files                   329      325       -4     
  Lines                 19968    18949    -1019     
  Branches               4863     4598     -265     
====================================================
- Hits                   9080     8323     -757     
+ Misses                10312    10070     -242     
+ Partials                576      556      -20     

Flag	Coverage Δ
dashboards-observability	43.92% <ø> (-1.54%)	⬇️

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see 42 files with indirect coverage changes