Bump flat and mocha; reorganize docs and add AGENTS.md and SKILLS.md - #6

Bump flat and mocha; reorganize docs and add AGENTS.md and SKILLS.md#6

bitifet with Copilot wants to merge 2 commits into

dependabot/npm_and_yarn/flat-and-mocha-5.0.2bitifet/sqltt:dependabot/npm_and_yarn/flat-and-mocha-5.0.2from

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