Add contacts, reply/forward, pagination, HTML toggle, Docker Compose for VPS

Co-authored-by: Junie <junie@jetbrains.com>

frontend/src/app/components/layout/layout.component.ts

@@ -74,6 +74,15 @@ import { Folder } from '../../models/mail.models';
               </nav>
             </div>
 
+            <!-- Контакты -->
+            <div class="glass-panel p-4 mt-4">
+              <a routerLink="/contacts"
+                 routerLinkActive="bg-synth-cyan/20 text-synth-cyan border-synth-cyan"
+                 class="block px-3 py-2 rounded-lg text-sm font-rajdhani text-slate-300 hover:bg-synth-cyan/10 hover:text-synth-cyan border border-transparent transition-all">
+                👥 Contacts
+              </a>
+            </div>
+
             <!-- Кнопка написать -->
             <div class="glass-panel p-4 mt-4">
               <a routerLink="/compose" class="cyber-btn w-full py-3 rounded-xl text-xs font-bold block text-center">