Add notes on using sslkeylog and wireshark
Add notes on using sslkeylog and wireshark

Change-Id: If1b50167b7b688fa9f174ebd6b19cdedd794e173

advancedtelematic/aktualizr,advancedtelematic/sota_client_cpp,advancedtelematic/aktualizr,advancedtelematic/aktualizr,advancedtelematic/sota_client_cpp,advancedtelematic/aktualizr