Rename package: winebarrel -> kanmu

[winebarrel]

No description provided.

[Copilot]

Pull request overview

Renames the Go module path from github.com/winebarrel/dbtyp to github.com/kanmu/dbtyp and updates internal/external references accordingly.

Changes:

• Update go.mod module path to the new GitHub organization.
• Update Go import paths across library code, tests, and example code.
• Update README badges and pkg.go.dev links to the new module location.

Reviewed changes

Copilot reviewed 13 out of 13 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
go.mod	Renames the module path to github.com/kanmu/dbtyp.
README.md	Updates badges, documentation links, and install/import snippets to the new module path.
cmd/main.go	Updates example program import to the new module path.
db.go	Updates internal iface import path to the new module path.
dbtyp.go	Updates internal iface import path to the new module path.
exec_queryer.go	Updates internal iface import path to the new module path.
execer.go	Updates internal iface import path to the new module path.
queryer.go	Updates internal iface import path to the new module path.
stmt.go	Updates internal iface import path to the new module path.
tx.go	Updates internal iface import path to the new module path.
dbtyp_test.go	Updates test imports to the new module path.
prepare_test.go	Updates test imports to the new module path.
tx_test.go	Updates test imports to the new module path.

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