Support color customization from the admin (#2338)

* Add user-customizable theming. Closes #1915

* Prettified Code!

* Add user-customizable theming. Closes #1915

* Add explicit color for page content background

* Prettified Code!

Co-authored-by: gabek <gabek@users.noreply.github.com>

web/pages/admin/config-public-details.tsx

@@ -5,7 +5,6 @@ import { EditInstanceDetails } from '../../components/config/EditInstanceDetails
 import { EditInstanceTags } from '../../components/config/EditInstanceTags';
 import { EditSocialLinks } from '../../components/config/EditSocialLinks';
 import { EditPageContent } from '../../components/config/EditPageContent';
-import { EditCustomStyles } from '../../components/config/EditCustomStyles';
 
 const { Title } = Typography;
 
@@ -42,9 +41,6 @@ export default function PublicFacingDetails() {
       <div className="form-module page-content-module">
         <EditPageContent />
       </div>
-      <div className="form-module page-content-module">
-        <EditCustomStyles />
-      </div>
     </div>
   );
 }