[RTC-526] Add env vars to configure allowed components

[sgfn]

This PR introduces a breaking change: users must now specify which components they wish to use using the JF_COMPONENTS_USED environment variable.

ref: https://github.com/jellyfish-dev/jellyfish-docs/pull/108

Acknowledging the stipulations set forth:

• [x] I hereby confirm that a Pull Request involving updates to the Software Development Kit (SDK) has been smoothly merged, currently awaits processing, or is otherwise deemed unnecessary in this context.
• [x] I also affirm that another Pull Request, specifically addressing updates to the documentation body (commonly referred to as 'docs'), has either been successfully incorporated, is in the process of review, or is considered superfluous under the prevailing circumstances.

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 97.91667% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 87.66%. Comparing base (5a96434) to head (839c587). Report is 3 commits behind head on main.

Additional details and impacted files

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