⭐ 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>

infra/secret.ts

@@ -1,11 +1,17 @@
 export const secret = {
-    // InstantAppId: new sst.Secret("InstantAppId"),
     PolarSecret: new sst.Secret("PolarSecret", process.env.POLAR_API_KEY),
     GithubClientID: new sst.Secret("GithubClientID"),
     DiscordClientID: new sst.Secret("DiscordClientID"),
+    PolarWebhookSecret: new sst.Secret("PolarWebhookSecret"),
     GithubClientSecret: new sst.Secret("GithubClientSecret"),
-    // InstantAdminToken: new sst.Secret("InstantAdminToken"),
     DiscordClientSecret: new sst.Secret("DiscordClientSecret"),
+    
+    // Pricing
+    NestriFreeMonthly: new sst.Secret("NestriFreeMonthly"),
+    NestriProMonthly: new sst.Secret("NestriProMonthly"),
+    NestriProYearly: new sst.Secret("NestriProYearly"),
+    NestriFamilyMonthly: new sst.Secret("NestriFamilyMonthly"),
+    NestriFamilyYearly: new sst.Secret("NestriFamilyYearly"),
 };
 
 export const allSecrets = Object.values(secret);