fix: include schema.sql and seed.sql in package files

[brauliolomeli]

Relates to

Fixes #2009 - @elizaos/adapter-postgres package does not bundle together schema.sql

Risks

Low - Adding missing SQL files to package bundling. Only affects package distribution, not functionality.

Background

What does this PR do?

Adds schema.sql and seed.sql files to the package.json "files" array to ensure they are properly bundled with the npm package when published.

What kind of change is this?

Bug fixes (non-breaking change which fixes an issue)

Documentation changes needed?

My changes do not require a change to the project documentation.

Testing

Where should a reviewer start?

1. Review the package.json changes in packages/adapter-postgres/package.json
2. Verify the added files: schema.sql and seed.sql are included

Detailed testing steps

1. Run pnpm install @elizaos/adapter-postgres
2. Instantiate PostgresDatabaseAdapter
3. Call db.init()
4. Verify no "no such file or directory" errors occur
5. Verify migrations run successfully

Deploy Notes

After merging, a new package version will need to be published to npm to make the fix available to users.

[github-actions]

Hi @brauliolomeli! Welcome to the ai16z community. Thanks for submitting your first pull request; your efforts are helping us accelerate towards AGI. We'll review it shortly. You are now a ai16z contributor!