Refactor Tool Usage & Allow Admins to Run Scans from Backend

What's Changed

• Run scanner tool directly, not via Composer/shell by @fredden in #7
• Allow Admins to Run Scans Manually by @pykettk in #6

New Contributors

• @fredden made their first contribution in #7

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Extra thanks to @danslo helpful upstream changes 🧡

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Full Changelog: 0.2.0...0.3.0