⭐feat: Add Steam account linking with team creation (#274)

## 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**
- Introduced a real-time Steam login flow using QR codes and server-sent
events (SSE) for team creation and authentication.
- Added Steam account and friend management, including secure credential
storage and friend list synchronization.
- Integrated Steam login endpoints into the API, enabling QR code-based
login and automated team setup.

- **Improvements**
- Enhanced data security by implementing encrypted storage for sensitive
tokens.
- Updated database schema to support Steam accounts, teams, memberships,
and social connections.
- Refined type definitions and consolidated account-related information
for improved consistency.

- **Bug Fixes**
  - Fixed trade ban status representation for Steam accounts.

- **Chores**
- Removed legacy C# Steam authentication service and related
configuration files.
  - Updated and cleaned up package dependencies and development tooling.
  - Streamlined type declaration files and resource definitions.

- **Style**
- Redesigned the team creation page UI with a modern, animated QR code
login interface.

- **Documentation**
  - Updated OpenAPI documentation for new Steam login endpoints.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

package.json

@@ -18,11 +18,13 @@
   },
   "overrides": {
     "@openauthjs/openauth": "0.4.3",
-    "@rocicorp/zero": "0.16.2025022000"
+    "@rocicorp/zero": "0.16.2025022000",
+    "steam-session": "1.9.3"
   },
   "patchedDependencies": {
     "@macaron-css/solid@1.5.3": "patches/@macaron-css%2Fsolid@1.5.3.patch",
-    "drizzle-orm@0.36.1": "patches/drizzle-orm@0.36.1.patch"
+    "drizzle-orm@0.36.1": "patches/drizzle-orm@0.36.1.patch",
+    "steam-session@1.9.3": "patches/steam-session@1.9.3.patch"
   },
   "trustedDependencies": [
     "core-js-pure",