Add comprehensive .gitignore and security workflows#46

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Copilot wants to merge 6 commits intomasterfrom

copilot/add-comprehensive-gitignore

Commits on Feb 11, 2026

Initial plan
Copilot
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Add comprehensive .gitignore patterns and new security workflows

Copilot
and
Yaketh (Kushmanmb)
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Remove duplicate entries from .gitignore

Copilot
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Yaketh (Kushmanmb)
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Fix redundant .gitignore pattern and correct CodeQL queries configuration

Copilot
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Yaketh (Kushmanmb)
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Update documentation to match CodeQL queries configuration

Copilot
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Yaketh (Kushmanmb)
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Clarify comment for dotenv environment files in .gitignore

Copilot
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Yaketh (Kushmanmb)
committed