⭐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 -->

packages/functions/src/api/index.ts

@@ -1,3 +1,4 @@
+import "zod-openapi/extend";
 import { Hono } from "hono";
 import { cors } from "hono/cors";
 import { logger } from "hono/logger";
@@ -8,6 +9,7 @@ import { openAPISpecs } from "hono-openapi";
 import { patchLogger } from "../utils/patch-logger";
 import { HTTPException } from "hono/http-exception";
 import { ErrorCodes, VisibleError } from "@nestri/core/error";
+import { SteamApi } from "./steam";
 
 patchLogger();
 
@@ -24,6 +26,7 @@ app
 const routes = app
     .get("/", (c) => c.text("Hello World!"))
     .route("/realtime", Realtime.route)
+    .route("/steam", SteamApi.route)
     .route("/account", AccountApi.route)
     .onError((error, c) => {
         if (error instanceof VisibleError) {