⭐ feat(api): Add payments with Polar.sh (#264)

## 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 new subscription API endpoint for managing subscriptions
and products.
- Enhanced subscription management with new entities and
functionalities.
- Added functionality to retrieve current timestamps in both local and
UTC formats.
- Added Polar.sh integration with customer portal and checkout session
creation APIs.

- **Refactor**
- Redesigned team details to now present members and subscription
information instead of a plan type.
  - Enhanced member management by incorporating role assignments.
- Streamlined user data handling and removed legacy subscription event
logic.
  - Simplified error handling in actor functions for better clarity.
  - Updated plan types and UI labels to reflect new subscription tiers.
  - Improved database indexing for Steam user data.

- **Chores**
- Updated the database schema with new tables and fields to support
subscription, team, and member enhancements.
  - Extended identifier prefixes to broaden system integration.
- Added new secrets related to pricing plans in infrastructure
configuration.
  - Configured API and auth routing with new domain and routing rules.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

---------

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>

packages/functions/src/api/index.ts

@@ -3,7 +3,7 @@ import { Hono } from "hono";
 import { auth } from "./auth";
 import { cors } from "hono/cors";
 import { TeamApi } from "./team";
-import { SteamApi } from "./steam";
+import { PolarApi } from "./polar";
 import { logger } from "hono/logger";
 import { Realtime } from "./realtime";
 import { AccountApi } from "./account";
@@ -27,7 +27,7 @@ const routes = app
     .get("/", (c) => c.text("Hello World!"))
     .route("/realtime", Realtime.route)
     .route("/team", TeamApi.route)
-    .route("/steam", SteamApi.route)
+    .route("/polar", PolarApi.route)
     .route("/account", AccountApi.route)
     .route("/machine", MachineApi.route)
     .onError((error, c) => {