add disable_audio option to web-ui

Author: Clutchnp

src_assets/common/assets/web/configs/tabs/AudioVideo.vue

@@ -63,6 +63,14 @@ const config = ref(props.config)
       </template>
     </PlatformLayout>
 
+    <!-- Disable Audio -->
+    <Checkbox class="mb-3"
+              id="disable_audio"
+              locale-prefix="config"
+              v-model="config.disable_audio"
+              default="false"
+    ></Checkbox>
+
     <AdapterNameSelector
         :platform="platform"
         :config="config"

src_assets/common/assets/web/public/assets/locale/en.json

@@ -227,6 +227,8 @@
     "hevc_mode_desc": "Allows the client to request HEVC Main or HEVC Main10 video streams. HEVC is more CPU-intensive to encode, so enabling this may reduce performance when using software encoding.",
     "high_resolution_scrolling": "High Resolution Scrolling Support",
     "high_resolution_scrolling_desc": "When enabled, Sunshine will pass through high resolution scroll events from Moonlight clients. This can be useful to disable for older applications that scroll too fast with high resolution scroll events.",
+    "disable_audio" : "Disable Audio Streaming",
+    "disable_audio_desc" : "Disable Streaming Audio Completely, useful for streaming headless monitors",
     "install_steam_audio_drivers": "Install Steam Audio Drivers",
     "install_steam_audio_drivers_desc": "If Steam is installed, this will automatically install the Steam Streaming Speakers driver to support 5.1/7.1 surround sound and muting host audio.",
     "key_repeat_delay": "Key Repeat Delay",