feat(email): add email verification

.sqlx/query-566221b869f293e6c721e2e8bbf3087943e5816a98cdce151302055c58bd1183.json

@@ -0,0 +1,28 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "select pid, username from users where username = $1",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "pid",
+        "type_info": "Int4"
+      },
+      {
+        "ordinal": 1,
+        "name": "username",
+        "type_info": "Varchar"
+      }
+    ],
+    "parameters": {
+      "Left": [
+        "Text"
+      ]
+    },
+    "nullable": [
+      false,
+      false
+    ]
+  },
+  "hash": "566221b869f293e6c721e2e8bbf3087943e5816a98cdce151302055c58bd1183"
+}