add x-amz headers to detect AWS

src/technologies.json

@@ -1494,6 +1494,15 @@
       "dns": {
         "NS": "\\.awsdns-"
       },
+      "headers": {
+	"x-amz-err-code": "",
+	"x-amz-request-id": "",
+	"x-amz-id-2": "",
+	"x-amz-err-message": "",
+	"x-amz-req-time-micros": "",
+	"x-amz-version-id": "",
+	"x-amz-delete-marker": ""
+      },
       "icon": "aws.svg",
       "website": "https://aws.amazon.com/"
     },