added offline mode

.sqlx/query-99dd58daa888b66b5e75f3603583d82e6aa665668dd45e2e40d7ccc4846c5ef5.json

@@ -0,0 +1,26 @@
+{
+  "db_name": "PostgreSQL",
+  "query": "SELECT * FROM muscles",
+  "describe": {
+    "columns": [
+      {
+        "ordinal": 0,
+        "name": "muscle_id",
+        "type_info": "Varchar"
+      },
+      {
+        "ordinal": 1,
+        "name": "name",
+        "type_info": "Varchar"
+      }
+    ],
+    "parameters": {
+      "Left": []
+    },
+    "nullable": [
+      false,
+      false
+    ]
+  },
+  "hash": "99dd58daa888b66b5e75f3603583d82e6aa665668dd45e2e40d7ccc4846c5ef5"
+}