Add Summary table under summary section

[nbhoski]

This PR is a continuation of last feature of supporting workflow commands in GitHub logs. This PR introduces a Summary table under GitHubs Summary page. as shown below. This feture uses BuildSummaryPlugin.m file for generating buildSummary_<RUN_ID> under RUNNER_TEMP folder. Which is further used to generate the summary table as shown below. Unit test are included under buildSummary.unit.test.ts

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[davidbuzinski]

Good start. +1 to the double logging with try/catch that Sam mentioned, and the error handling concerns that Mark raised as well.