feat: ⚡️ Add docs and connect Stripe

apps/builder/libs/mailgun.ts

@@ -0,0 +1,11 @@
+import Mailgun from 'mailgun.js'
+import formData from 'form-data'
+
+export const initMailgun = () => {
+  const mailgun = new Mailgun(formData)
+  return mailgun.client({
+    username: 'api',
+    key: '0b024a6aac02d3f52d30999674bcde30-53c13666-e8653f58',
+    url: 'https://api.eu.mailgun.net',
+  })
+}