feat: add .sr-only class for accessibility improvements

Author: AbhishekA1509

src/css/base.scss

@@ -5193,4 +5193,15 @@ details[open] {
             border-color: var(--N50);
         }
     }
-}
+}
+
+.sr-only {
+    clip: rect(1px, 1px, 1px, 1px);
+    clip-path: inset(50%);
+    height: 1px;
+    width: 1px;
+    margin: -1px;
+    overflow: hidden;
+    padding: 0;
+    position: absolute;
+}