Payments/subscriptions support (#943)

* [wip] Payments/subscriptions support

* finish

* working payment flow

* finish subscriptions, lint, clippy, etc

* docker compose

.sqlx/query-494610831c7303d9cb3c033ff94af80fcc428014795c719fcafe1272db2c0177.json

@@ -0,0 +1,15 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "\n            UPDATE users\n            SET stripe_customer_id = $1\n            WHERE id = $2\n            ",
+  "describe": {
+    "columns": [],
+    "parameters": {
+      "Left": [
+        "Text",
+        "Int8"
+      ]
+    },
+    "nullable": []
+  },
+  "hash": "494610831c7303d9cb3c033ff94af80fcc428014795c719fcafe1272db2c0177"
+}