Added missing architecture diagram

Author: bfreiberg

apigw-rest-api-lambda-python/apigw-rest-api-lambda-python.json

@@ -46,5 +46,24 @@
             "Delete the application: <code>sam delete</code>."
         ]
     },
-    "authors": []
+    "authors": [],
+    "patternArch": {
+        "icon1": {
+            "x": 20,
+            "y": 50,
+            "service": "apigw",
+            "label": "API Gateway REST API"
+        },
+        "icon2": {
+            "x": 80,
+            "y": 50,
+            "service": "lambda",
+            "label": "AWS Lambda"
+        },
+        "line1": {
+            "from": "icon1",
+            "to": "icon2",
+            "label": ""
+        }
+    }
 }