Added comment for height

Author: Tamoor Shahid

src/screens/OavMover.tsx

@@ -446,7 +446,7 @@ export function OavMover() {
         <Grid2
           size={3}
           sx={{
-            height: "95vh",
+            height: "95vh", // Height set to 95vh to span height of screen but to also leave 5vh space for the top navigation header.
             overflowY: "auto",
             padding: 2,
             boxSizing: "border-box",