added subscribe to topic

frontend/app.vue

@@ -120,6 +120,22 @@ const setupNotifications = () => {
       (token) => {
         // alert('Push registration success, token: ' + token.value);
 	registrationToken.value = token
+
+
+      	fetch('https://api.xeovalyte.com/subscribetotopic', {
+        	method: 'POST',
+        	headers: {
+          	Authorization: 'Basic WGVvdmFseXRlOmtNKjhuRXMzNTchalJlXm1KYnZrRSFOIw==',
+          	'content-type': 'application/json'
+        	},
+        	body: JSON.stringify({ topic: 'all', registrationToken: currentToken })
+      	}).then(response => response.json())
+        	.then(response => {
+          		console.log(response)
+        	})
+        	.catch(err => {
+          		console.log(err)
+        	});
       }
     );