Mail Modul überarbeitet, Korrekturen am PaymentService, neuer customerType seller

bizmatch-server/.vscode/tasks.json

@@ -0,0 +1,31 @@
+{
+  "version": "2.0.0",
+  "tasks": [
+    {
+      "label": "Start Stripe Listener",
+      "type": "shell",
+      "command": "stripe listen -e checkout.session.completed --forward-to http://localhost:3000/bizmatch/payment/webhook",
+      "problemMatcher": [],
+      "isBackground": true, // Task läuft im Hintergrund
+      "presentation": {
+        "echo": true,
+        "reveal": "always",
+        "focus": false,
+        "panel": "shared"
+      }
+    },
+    {
+      "label": "Start Nest.js",
+      "type": "npm",
+      "script": "start:debug",
+      "isBackground": false,
+      "problemMatcher": [],
+      "presentation": {
+        "echo": true,
+        "reveal": "always",
+        "focus": false,
+        "panel": "shared"
+      }
+    }
+  ]
+}