feat(editor): ✨ Payment input

packages/bot-engine/lib/stripe.ts

@@ -0,0 +1,12 @@
+export const initStripe = (document: Document): Promise<void> =>
+  new Promise((resolve) => {
+    const existingScript = document.getElementById('stripe-script')
+    if (existingScript) return resolve()
+    const script = document.createElement('script')
+    script.src = 'https://js.stripe.com/v3'
+    script.id = 'stripe-script'
+    document.body.appendChild(script)
+    script.onload = () => {
+      resolve()
+    }
+  })