Add more debug logs to servers

#4 - Investigate extending pr0xy to use SAM

contained/bin/trans_proxy/servers.py

@@ -92,6 +92,7 @@ class ClientTcpTunnel:
 
                     # asynchronously receive data
                     while i2p_response := await i2p_reader.read(4096):
+                        log.debug("responding with i2p data")
                         writer.write(i2p_response)
 
                 # close the connection
@@ -99,6 +100,7 @@ class ClientTcpTunnel:
             except:
                 logger.exception("Error while proxying")
             finally:
+                log.debug("Closing connection")
                 writer.close()
 
         return handle_connection