build: add web environment for angular app

src/environments/environment.web.ts

@@ -0,0 +1,4 @@
+export const AppConfig = {
+    production: false,
+    environment: 'WEB',
+};

src/index.html

@@ -7,6 +7,11 @@
 
         <meta name="viewport" content="width=device-width, initial-scale=1" />
         <link rel="icon" type="image/x-icon" href="assets/icons/favicon.ico" />
+        <script>
+            if (global === undefined) {
+                var global = window;
+            }
+        </script>
     </head>
     <body class="mat-app-background">
         <app-root></app-root>