xql: versionet e vjetra dhe historiku

## Changelog
• 4c637afbd8ffd0ab1191b57ecffecc4ec16cc94e：Stamp the installed skill with its content revision, not the binary version (@anderix)

Changelog
- e51561b: Fix SharePoint reads of ID and person columns, and evaluate WHERE in xql (@anderix)
- a63c94a: Hint at the one-table rule when a statement names a table (@anderix)
- 1992f21: Keep each CSV cell's source text, and infer float only when exact (@anderix)
- cd81e05: Remove ship.conf; the release apps read ship.toml (@anderix)
- 15ab571: Retire the release workflows (@anderix)
- 1aad6b6: Rewrite the skill around the one-table rule and the CSV write behavior (@anderix)
- c3a8de2: Run CI by hand: workflow_dispatch instead of push and pull request (@anderix)
- ae817c3: Take graphauth v0.2.0 in place of spauth (@anderix)
- f453a47: Write SharePoint person and lookup columns by ID, and check choices (@anderix)
- 5520b3f: Write unchanged CSV rows back as their source text (@anderix)
- e190af5: chore: refresh dependencies (@anderix)

• Take spauth v0.1.3, which seals the token cache on Linux and macOS too

- Take spauth v0.1.2, which seals the token cache
- Point ADMINS.md at xfiles and stop listing its commands

Changelog
- 9083fb7: Add the bare auth command (@anderix)
- 32127d2: Consume the SharePoint sign-in layer from excelano/spauth (@anderix)
- f1665b8: Drop the release trigger from the Defender scan caller (@anderix)
- 39a09b9: Pin spauth v0.1.0 (@anderix)
- 73b247a: Share the token cache with the xfiles tools at ~/.config/excelano (@anderix)
- ff77010: Validate the release install with Defender before submitting to winget (@anderix)
- 8905d5b: Write the token cache atomically (@anderix)

Changelog
- 088e330: Add COUNT(DISTINCT col) (closes #4) (@anderix)
- bd0f5db: Call the fleet's CodeQL scan instead of holding a copy of it (@anderix)
- 4f44d7a: Report a file that is not UTF-8 but cannot be named (@anderix)
- 788813c: deps: bump golang.org/x/term in the go-modules group (#15) (@dependabot[bot])

Changelog
- 877a34a: Install the Claude Code skill from the binary itself (@anderix)
- 8601dd1: Point the README and --help at --install-skill (@anderix)