add the beta api server to teh dev URI

src/assets/config/apiservers.dev.json

@@ -4,6 +4,11 @@
         "tes": "https://strudel2-api-dev.cloud.cvl.org.au/tes",
         "tws": "https://strudel2-api-dev.cloud.cvl.org.au"
     },
+    {
+        "name": "Beta",
+        "tes": "https://beta.desktop.massive.org.au/tes",
+        "tws": "https://beta.desktop.massive.org.au"
+    },
     {
         "name": "Dev - Pawsey",
         "tes": "https://strudel2-api-dev-pawsey.cloud.cvl.org.au/tes",