update Layer0 definition to include response headers

src/technologies/l.json

@@ -185,6 +185,11 @@
       "layer0_eid": ""
     },
     "description": "Layer0 is an all-in-one Jamstack platform to develop, deploy, preview, split test, and monitor the company's frontend.",
+    "headers": {
+      "x-0-status": "",
+      "x-0-t": "",
+      "x-0-version": ""
+    },
     "icon": "Layer0.svg",
     "js": {
       "Layer0.Metrics": ""
@@ -1302,4 +1307,4 @@
     ],
     "website": "http://www.lighttpd.net"
   }
-}
+}