Add a shorter alias to json-tool.

.bashrc

@@ -75,6 +75,7 @@ alias presentation='docker dev adarnimrod/presentation'
 alias prune_prerun='find "$HOME" -maxdepth 1 -name ".prerun.*" -print0 | grep -zv "$(pgrep -u "$(id -u)" bash)" | xargs -0r rm '
 alias netdata='docker run --detach --name netdata --cap-add SYS_PTRACE --volume /proc:/host/proc:ro --volume /sys:/host/sys:ro --volume /var/run/docker.sock:/var/run/docker.sock --publish 19999:19999 firehol/netdata'
 alias json-tool='python3 -m json.tool'
+alias jt='json-tool'
 alias http-server='python3 -m http.server 8080'
 alias dd='dd status=progress'
 alias screenshot-cleanup='find "$HOME/Pictures" -name "Screenshot from *.png" -delete'