doc: add docs to repo

docs/data/demo-quickstart-7.json

@@ -0,0 +1,13 @@
+{
+    "config": {
+        "name": "create users with parameters"
+    },
+    "testcases": {
+        "create user $user_id": {
+            "testcase": "demo-quickstart-6.yml",
+            "parameters": {
+                "user_id": [1001, 1002, 1003, 1004]
+            }
+        }
+    }
+}