Added docker notes to the knowledge base

knowledge base/docker.md

@@ -0,0 +1,23 @@
+# Docker
+
+## TL;DR
+
+```shell
+# run a container
+docker run --rm hello-world
+
+# run a container and gite it a volume and variables
+docker run -d --name boinc --net=host --pid=host -v "${HOME}/boinc:/var/lib/boinc" -e BOINC_GUI_RPC_PASSWORD="123" -e BOINC_CMD_LINE_OPTIONS="--allow_remote_gui_rpc" boinc/client
+
+# show containers status
+docker ps --all
+
+# cleanup
+docker system prune
+```
+
+## Further readings
+
+- [archlinux wiki]
+
+[archlinux wiki]: https://wiki.archlinux.org/index.php/Docker