[zscaler_zia] Add ZScaler ZIA package.#2459

Merged

andrewkroh merged 5 commits intoelastic:mainfrom

vinit-chauhan:package_zscaler_zia

Feb 16, 2022

Commits on Jan 3, 2022

Initial commit for zscaler zia package
vinit-chauhan
committed

Commits on Jan 17, 2022

- Updated documentation.
vinit-chauhan
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Commits on Feb 7, 2022

- Removed extra newline ( README.md: line 123 )
vinit-chauhan
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Commits on Feb 10, 2022

Added newline at the end of files.
vinit-chauhan
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Commits on Feb 14, 2022

Updated ports and configuration parameter name.
vinit-chauhan
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