add sample

http-api/samlocal.env.json.sample

@@ -0,0 +1,8 @@
+{
+  "Parameters": {
+    "KONVIVA_API_KEY": "",
+    "USER_TABLE": "test-users",
+    "ORDER_TABLE": "test-orders",
+    "ENROLLMENT_TABLE": "test-enrollments"
+  }
+}