favicon: security camera in orange/red circle

This is derived from the following icon:
https://thenounproject.com/term/security-camera/72530
by iconsmind.com. I paid for the royalty-free license.

Fixes #50.

webpack/base.config.js

@@ -29,6 +29,16 @@ module.exports = (env, args) => {
       }, {
         test: /\.png$/,
         use: ['file-loader'],
+      }, {
+        test: /\.ico$/,
+        use: [
+          {
+            loader: 'file-loader',
+            options: {
+              name: '[name].[ext]'
+            }
+          }
+        ]
       }, {
         // Load css and then in-line in head
         test: /\.css$/,