Functional incrementation

[KeerthanaK-18]

Functional incrementation:

• Added support for authentication through Azure Active Directory for Azure Databricks instance.
• Introduced an alert action to run a parameterized notebook on Databricks instance.
• Added saved search to delete old notebook run details from lookup.
• Added macro to specify the retaining days in saved search.
• Added a custom command databricksretiredrun to delete specific databricks notebook run details from lookup based on provided parameters.

Updating the docs and unit test cases

[KeerthanaK-18]

Blockers for merging this PR:

remove jQuery, that is only used for onClick handling: we need the bundled jquery, because it ensures that jquery 3.5.0 is used. If not, depending on the slunk version used, an older version of jquery may be used which will cause failure in Splunk appinspect report. rename couple of variables, so that it's more maintainable by a larger group of people - will do add documentation changes to note that service principal has to be added to Azure Databricks workspace in order for AAD credentials to work. - Already added why do we need .docx & .pdf versions of the doc? it's not scalable. - It was requested by Arun in the previous release. Hence we are using the same formats and updating it. add GitHub Actions yml file to automatically run tests every time there's commit. if tests are not running automatically - it's equal to not having tests at all. - Adding Separate pull request: code coverage is missing for commands. ignoring most of command files from app/bin in tests/.coveragerc is only hiding the problem. please bring coverage to the required level of 80%, including commands (which are the most important bits of logic for this app). - Since we need to get coverage for the files in bin folder, creating a seperate PR for test cases will not be helpfull because the files in master branch now do not have the functional increment changes merged yet.

[nfx]

@KeerthanaK-18

1. replace $("#retryButton").click( with document.getElementById('retryButton').onClick( and remove jQuery as dependency, as it makes no sense to have jQuery just for click handling.
2. rename couple of variables, so that it's more maintainable by a larger group of people - will do
3. add GitHub Actions yml file to automatically run tests every time there's commit. if tests are not running automatically - it's equal to not having tests at all.
4. remove copyright from generated file (base.html). it's not allowed.

[codecov[bot]]

Codecov Report

:exclamation: No coverage uploaded for pull request base (master@a4de7ce). Click here to learn what that means. The diff coverage is n/a.

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  Coverage          ?   86.40%           
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  Files             ?        8           
  Lines             ?      618           
  Branches          ?        0           
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  Hits              ?      534           
  Misses            ?       84           
  Partials          ?        0           

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