feat(templates): consolidate admin and profile templates

Add admin_users.templ for user management interface with delete, password
reset, and edit capabilities. Add profile.templ and related components for
user profile management. Remove admin_profile.templ. Update all templates
to use new consolidated API endpoints.

templates/header.templ

@@ -114,9 +114,9 @@ templ Header(user User, currentPath string) {
                             </button>
                             <div id="user-menu" class="hidden absolute right-0 mt-2 w-48 rounded-lg shadow-lg z-50" style="background-color: var(--bg-secondary); border: 1px solid var(--border);">
                                 <div class="py-1">
-                                    <a href="/settings" class="block px-4 py-2 text-sm hover:opacity-80" style="color: var(--text-primary); background-color: var(--bg-secondary); text-decoration: none;">
-                                        Settings
-                                    </a>
+<a href="/profile" class="block px-4 py-2 text-sm hover:opacity-80" style="color: var(--text-primary); background-color: var(--bg-secondary); text-decoration: none;">
+										Profile
+									</a>
                                     if user.Role == "admin" {
                                         <a href="/admin" class="block px-4 py-2 text-sm hover:opacity-80" style="color: var(--text-primary); background-color: var(--bg-secondary); text-decoration: none;">
                                             Admin Panel