v2 onion address for searx

src/freedombone-app-searx

     set_completion_param "searx commit" "$SEARX_COMMIT"
 
     # create an onion service
+    USE_V2_ONION_ADDRESS=1
     SEARX_ONION_HOSTNAME=$(add_onion_service searx 80 ${SEARX_ONION_PORT})
 
     # an unprivileged user to run as