⭐ 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/.gitignore

@@ -1 +1,2 @@
-sync-replica*
+sync-replica*
+*.sql