Add parseReadWrite utilty function

frontend/src/commons/utils.ts

+import { RWAccess } from "../models/bucket";
+
 export const getHumanSize = (size: number) => {
   if (size < 1000) return `${size} B`;
   if (size < 1000000) return `${(size / 1000).toFixed(1)} kB`;
   if (size < 1000000000) return `${(size / 1000000).toFixed(1)} MB`;
   if (size < 1000000000000) return `${(size / 1000000000).toFixed(1)} GB`;
 }
+
+export const parseReadWriteAccess = (rwAccess: RWAccess) => {
+  return rwAccess.read && rwAccess.write ? "R/W" :
+    rwAccess.read ? "R" : rwAccess.write ? "R" : "Unknown";
+}
\ No newline at end of file