Dark Theme (#1017)

* Stylesheets

* Theme Configuration

* Options Area

* swal2 style

* Icon styling

* Fix theme not saving

* Update English

* Update messages.json

* dropdown and login logo

* btn-link and totp fix

* Organisation Styling

* Update webauthn-fallback.ts

* Fix contrast issues

* Add Paypal Container and Loading svg file

* Password Generator contrast fix

* Dark Mode Fix buttons and foreground

* Fix button hover

* Fix Styles after rebase

* Add hover on nav dropdown-item

* Disable Theme Preview

* Options Fix for Default Theme Changes

* Updated Colour Scheme

* Toast fix

* Button and Text Styling

* Options Update and Messages Fix

* Added Search Icon and Fixed Callout styling

* Add theme styling to Stripe

* Refactor logic for setting color

* Reorder logic to avoid race condition

* PayPal Loading and Misc Fix

* text-state bug fix

* Badge Colour Fix

* Remove PayPal Tagline

The colour cannot be styled so it's not visible on a dark theme

* Adding the Styling from #1131

* Update to New Design

* Form and Nav restyle

* Modal Opacity and Callout

* Nav Colours

* Missing Borders

* Light theme fix

* Improved border for listgroup

* Change Org Nav Colour

* Save theme to localStorage for persistence

* Undo change to Wired image

* !Important removal and tweaks

* Fix regression with navbar

* Light theme by default

* Refactor to use getEffectiveTheme

* Refactor theme constants to use enum

* Set theme in index.html before app loads

* Use scss selector to set logo image

* Export Sass to TS

* Update jslib

Co-authored-by: Thomas Rittson <trittson@bitwarden.com>

src/app/vault/add-edit.component.html

@@ -103,7 +103,7 @@
                         </div>
                         <div class="col-6 form-group totp d-flex align-items-end" [ngClass]="{'low': totpLow}">
                             <div *ngIf="!cipher.login.totp || !totpCode">
-                                <img src="../../images/totp-countdown.png" title="{{'verificationCodeTotp' | i18n}}"
+                                <img src="../../images/totp-countdown.png" id="totpImage" title="{{'verificationCodeTotp' | i18n}}"
                                     class="ml-2">
                                 <a href="#" appStopClick class="badge badge-primary ml-3" (click)="premiumRequired()"
                                     *ngIf="!organization && !cipher.organizationId && !canAccessPremium">