added landing site to sites.json

predict/sites.json

@@ -38,5 +38,10 @@
         "altitude"  :   0,
         "latitude"  :   -35.1217,
         "longitude" :   138.8503
+    },
+    "An Creagan": {
+    	"altitude"  :   0,
+	"latitude"  :   54.654118,
+	"longitude" :   -7.034914
     }
 }