Allow installing plugs from env

[sainak]

Proposed Changes

• Allow installing plugs from env
• closes Allow installing plugs from environment variable #2471

Merge Checklist

• Tests added/fixed
• Update docs in /docs
• Linting Complete
• Any other necessary step

Only PR's with test cases included and passing lint and test pipelines will be reviewed

@ohcnetwork/care-backend-maintainers @ohcnetwork/care-backend-admins

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 65.49%. Comparing base (58ad8ab) to head (1584e0e).
Report is 1 commits behind head on develop.

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #2473   +/-   ##
========================================
  Coverage    65.49%   65.49%           
========================================
  Files          222      222           
  Lines        13267    13267           
  Branches      1882     1882           
========================================
  Hits          8689     8689           
  Misses        4191     4191           
  Partials       387      387           

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