message: doc: add note about python3-dbg
diff: ```
  # Debuging in Eclipse
  +* apt install python3-dbg # because normal python crashes on some errors without reporting (like undefined symbol in c library)
  * new debug configuration -> C++ Application
  * C/C++ Aplication: `/usr/bin/python3-dbg`
  * Arguments: $NAME_OF_YOUR_SCRIPT etc
  