⚡ (billing) Automatic usage-based billing (#924)

BREAKING CHANGE: Stripe environment variables simplified. Check out the
new configs to adapt your existing system.

Closes #906





<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
### Summary by CodeRabbit

**New Features:**
- Introduced a usage-based billing system, providing more flexibility
and options for users.
- Integrated with Stripe for a smoother and more secure payment process.
- Enhanced the user interface with improvements to the billing,
workspace, and pricing pages for a more intuitive experience.

**Improvements:**
- Simplified the billing logic, removing additional chats and yearly
billing for a more streamlined user experience.
- Updated email notifications to keep users informed about their usage
and limits.
- Improved pricing and currency formatting for better clarity and
understanding.

**Testing:**
- Updated tests and specifications to ensure the reliability of new
features and improvements.

**Note:** These changes aim to provide a more flexible and user-friendly
billing system, with clearer pricing and improved notifications. Users
should find the new system more intuitive and easier to navigate.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->

packages/scripts/package.json

@@ -13,9 +13,11 @@
     "db:bulkUpdate": "tsx bulkUpdate.ts",
     "db:fixTypebots": "tsx fixTypebots.ts",
     "telemetry:sendTotalResultsDigest": "tsx sendTotalResultsDigest.ts",
-    "sendAlertEmails": "tsx sendAlertEmails.ts",
+    "checkAndReportChatsUsage": "tsx checkAndReportChatsUsage.ts",
     "inspectUser": "tsx inspectUser.ts",
-    "checkSubscriptionsStatus": "tsx checkSubscriptionsStatus.ts"
+    "checkSubscriptionsStatus": "tsx checkSubscriptionsStatus.ts",
+    "createChatsPrices": "tsx createChatsPrices.ts",
+    "migrateSubscriptionsToUsageBased": "tsx migrateSubscriptionsToUsageBased.ts"
   },
   "devDependencies": {
     "@typebot.io/emails": "workspace:*",
@@ -31,5 +33,8 @@
     "tsx": "3.12.7",
     "typescript": "5.1.6",
     "zod": "3.21.4"
+  },
+  "dependencies": {
+    "@paralleldrive/cuid2": "2.2.1"
   }
 }