chore(rn): Add note about zero bytes size bundle with Hermes on Android (#6011)

Co-authored-by: Liza Mock <[email protected]>

Author: krystofwoldrich

src/platforms/react-native/manual-setup/hermes.mdx

@@ -91,3 +91,9 @@ Upload your source maps following [Step 3 on the normal source maps guide](/plat
 You will upload the `index.android.bundle` and `index.android.bundle.map` for Android, `main.jsbundle` and `main.jsbundle.map` for iOS.
 
 </Note>
+
+<Note>
+
+When uploaded, the `index.android.bundle` file will be sized at 0 bytes. This is expected with Hermes bytecode and won't affect the source maps resolution.
+
+</Note>