Make app.constants json based

Also, fixed some of the schema

Author: johnsimons

frontend/public/js/app.constants.js

@@ -0,0 +1,7 @@
+{
+  "default_route": "/dashboard",
+  "version": "1.2.0",
+  "service_control_url": "http://localhost:33333/api/",
+  "monitoring_url": "http://localhost:33633/",
+  "showPendingRetry": true
+}

frontend/public/js/app.constants.json

@@ -29,16 +29,7 @@ conditionallyEnableMocking()
       const appConstants = await response.json();
       window.defaultConfig = appConstants;
     } else {
-      const devConstants = await fetch("js/app.constants.js", {
-        method: "GET",
-      });
-      if (devConstants.ok) {
-        const scriptText = await devConstants.text();
-        const script = document.createElement("script");
-        script.type = "text/javascript";
-        script.text = scriptText;
-        document.head.appendChild(script);
-      }
+      console.error("Failed to load app constants");
     }
   })
   // eslint-disable-next-line promise/always-return

frontend/src/main.ts

@@ -25,7 +25,7 @@ public async Task InvokeAsync(HttpContext context)
                 {
                     default_route = "/dashboard",
                     service_control_url = "api/",
-                    monitoring_urls = new[] { "http://localhost:33633/" },
+                    monitoring_url = "http://localhost:33633/",
                     showPendingRetry = true,
                     version = FileVersion
                 };