fix: move Sql type to types pkg to resolve circular dependency

[abdotop]

Resolves error: Circular package dependency detected: @01edu/api -> @01edu/db -> @01edu/api.

Moved Sql type definition to @01edu/types to break the dependency cycle.

[Copilot]

Pull request overview

This pull request resolves a circular package dependency (@01edu/api -> @01edu/db -> @01edu/api) by moving the Sql type definition from the @01edu/db package to the @01edu/types package.

• Moved Sql type definition to @01edu/types/db
• Updated all import references to use the new location
• Added required @db/sqlite dependency to the types package

Reviewed changes

Copilot reviewed 4 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
types/deno.json	Added @db/sqlite dependency and new ./db export path, bumped version to 0.1.4
types/db.d.ts	New file containing the Sql type definition moved from db package
deno.lock	Updated lock file to include the new dependency for the types package
db/mod.ts	Removed Sql type definition and imported it from @01edu/types/db
api/router.ts	Updated import path for Sql type from @01edu/db to @01edu/types/db
api/dev.ts	Updated import path for Sql type from @01edu/db to @01edu/types/db

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