Add responsive branded header and sound controls

messages/ar.json

@@ -8,7 +8,9 @@
     "root": "Root",
     "openMenu": "فتح القائمة",
     "closeMenu": "إغلاق القائمة",
-    "themeToggle": "تبديل المظهر"
+    "themeToggle": "تبديل المظهر",
+    "soundMute": "كتم الأصوات",
+    "soundUnmute": "تشغيل الأصوات"
   },
   "footer": {
     "copyright": "© {year} moh-sass. جميع الحقوق محفوظة."

messages/de.json

@@ -8,7 +8,9 @@
     "root": "Root",
     "openMenu": "Menue oeffnen",
     "closeMenu": "Menue schliessen",
-    "themeToggle": "Theme wechseln"
+    "themeToggle": "Theme wechseln",
+    "soundMute": "Sounds stummschalten",
+    "soundUnmute": "Sounds aktivieren"
   },
   "footer": {
     "copyright": "© {year} moh-sass. Alle Rechte vorbehalten."

messages/en.json

@@ -8,7 +8,9 @@
     "root": "Root",
     "openMenu": "Open menu",
     "closeMenu": "Close menu",
-    "themeToggle": "Toggle theme"
+    "themeToggle": "Toggle theme",
+    "soundMute": "Mute sounds",
+    "soundUnmute": "Unmute sounds"
   },
   "footer": {
     "copyright": "© {year} moh-sass. All rights reserved."