Add detectOS function to helper.ts and update style.css with new utility classes

src/utils/helper.ts

@@ -37,3 +37,17 @@ export const getDataRowGroup = (data: any): any => {
     }
   }
 }
+
+export const detectOS = () => {
+  const platform = navigator.userAgent.toLowerCase()
+
+  if (platform.includes('mac')) {
+    return 'macOS'
+  } else if (platform.includes('win')) {
+    return 'Windows'
+  } else if (platform.includes('linux')) {
+    return 'Linux'
+  } else {
+    return 'Unknown'
+  }
+}