ftespnow/examples: Fix code formatting errors.

Signed-off-by: Guilherme Laurindo Schneck <guilhermeschneck@gmail.com>

Author: Schneck2004

micropython/ftespnow/examples/server_side_example.py

@@ -46,7 +46,7 @@
 json_received = esp.receive_to_json(
     "filepath/filename.json", mode="w"
 )  # Set mode to 'w' so file is truncated before writing
-if json_received: # Check if any data was received
+if json_received:  # Check if any data was received
     print("File received successfully")
 else:
     print("No file received. Destination file was not created/modified")