Theme Support with a Dark Mode (#974)

* Stylesheets

* Theme Configuration

* Options Area

* swal2 style

Missed the swal2 styling and improved the table theming

* Icon styling

* Fix theme not saving

* Update English

Remove colour to make it more translatable between English and American

* Update messages.json

* Login logo

* dropdown and login logo

* btn-link and totp fix

Added a border for extra readability on the btn-link

* Organisation Styling

* Update messages.json

* Update webauthn-fallback.ts

Add missing semicolon and enable console.error bypass for tslint

* Fix contrast issues

Update the blue to match the browser extension and lighten the grey for text-muted variable

* Add Paypal Container and Loading svg file

* Update jslib

* Password Generator contrast fix

webpack.config.js

@@ -28,7 +28,7 @@ const moduleRules = [
     },
     {
         test: /.(ttf|otf|eot|svg|woff(2)?)(\?[a-z0-9]+)?$/,
-        exclude: /loading.svg/,
+        exclude: /loading(|-white).svg/,
         use: [{
             loader: 'file-loader',
             options: {