Add language chooser to main menu

src/css/icons.scss

@@ -21,3 +21,12 @@ $icons: notification_saved, notification_success, notification_upgrade;
         background-image: uiResource("res/ui/icons/#{$icon}.png") !important;
     }
 }
+
+$languages: en, de, cs, da, et, es-419, fr, it, pt-BR, sv, tr, el, ru, uk, zh-TW, nb, mt-MT, ar, nl, vi, th,
+    hu, pl, ja;
+
+@each $language in $languages {
+    [data-languageicon="#{$language}"] {
+        background-image: uiResource("languages/#{$language}.svg") !important;
+    }
+}

src/css/states/main_menu.scss

@@ -7,25 +7,39 @@
     // background: #aaacb4 center center / cover !important;
     background: #bbc2cf center center / cover !important;
 
-    .settingsButton,
-    .exitAppButton {
+    .topButtons {
         position: absolute;
-        @include S(top, 30px);
-        @include S(right, 30px);
-        @include S(width, 35px);
-        @include S(height, 35px);
-        pointer-events: all;
-        cursor: pointer;
-        background: uiResource("icons/main_menu_settings.png") center center / contain no-repeat;
-        transition: opacity 0.12s ease-in-out;
-        &:hover {
-            opacity: 0.9;
-        }
-    }
+        @include S(top, 20px);
+        @include S(right, 20px);
+        display: grid;
+        grid-auto-flow: column;
+        @include S(grid-gap, 15px);
 
-    .exitAppButton {
-        @include S(right, 100px);
-        background-image: uiResource("icons/main_menu_exit.png");
+        .settingsButton,
+        .exitAppButton,
+        .languageChoose {
+            @include S(width, 25px);
+            @include S(height, 25px);
+            pointer-events: all;
+            cursor: pointer;
+            background: uiResource("icons/main_menu_settings.png") center center / contain no-repeat;
+            transition: opacity 0.12s ease-in-out;
+            @include IncreasedClickArea(2px);
+            &:hover {
+                opacity: 0.9;
+            }
+        }
+
+        .exitAppButton {
+            background-image: uiResource("icons/main_menu_exit.png");
+        }
+
+        .languageChoose {
+            @include S(border-radius, 8px);
+            border: solid #222428;
+            @include S(border-width, 2px);
+            background-size: cover;
+        }
     }
 
     .fullscreenBackgroundVideo {