add synop notification from GB

examples/synop-usa-gb.json

@@ -0,0 +1,35 @@
+{
+    "id": "2401dbe4-275d-43aa-9893-14e515f7916f",
+    "type": "Feature",
+    "version": "v04",
+    "geometry": {
+        "type": "Point",
+        "coordinates": [
+            -120.45212,
+            34.89408
+        ]
+    },
+    "properties": {
+        "data_id": "wis2/usa/synoptic_data_pbc/data/core/weather/surface-based-observations/synop/WIGOS_0-840-0-72394_20231130T170000",
+        "datetime": "2023-11-30T17:00:00Z",
+        "pubtime": "2023-11-30T17:16:59Z",
+        "integrity": {
+            "method": "sha512",
+            "value": "e0493600aec729cb3699b72ee445df0673a3dfc23a8d1b73b4b9aa3e325e3633b9ba4fcd386515f8863d7e4ac8c33538cc56310f52bef27f25fb23a9875085c9"
+        },
+        "wigos_station_identifier": "0-840-0-72394"
+    },
+    "links": [
+        {
+            "rel": "canonical",
+            "type": "application/x-bufr",
+            "href": "https://wis2box.synopticdata.com//data/2023-11-30/wis/usa/synoptic_data_pbc/data/core/weather/surface-based-observations/synop/WIGOS_0-840-0-72394_20231130T170000.bufr4",
+            "length": 247
+        },
+        {
+            "rel": "via",
+            "type": "text/html",
+            "href": "https://oscar.wmo.int/surface/#/search/station/stationReportDetails/0-840-0-72394"
+        }
+    ]
+}