⭐ feat: Expand zero-sync schema with users, teams, and Steam integration (#275)

## Description
<!-- Briefly describe the purpose and scope of your changes -->


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit

- **New Features**
- Expanded data model to include users, Steam accounts, teams, members,
and friends lists for richer user and team management.
- Introduced detailed relationships and row-level permissions for
enhanced access control.

- **Chores**
  - Updated dependency version for improved compatibility.
- Adjusted environment variables and configuration for improved
performance and reliability.
- Updated development scripts for clearer SQL permissions generation and
workflow separation.
  - Enhanced .gitignore to exclude SQL files from version control.

- **Refactor**
- Restructured schema and permissions logic for greater flexibility and
security.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/zero/package.json

@@ -7,6 +7,7 @@
     "@nestri/core": "*"
   },
   "scripts": {
-    "dev": "zero-deploy-permissions --output-format=sql --output-file=.permissions.sql && zero-deploy-permissions && zero-cache"
+    "dev": "zero-deploy-permissions && zero-cache",
+    "generate": "zero-deploy-permissions --output-format=sql --output-file=permissions.sql"
   }
 }