docs(bot): 📝 Add copy-pastable command to create an alias to kubectl in README.

README.md

@@ -93,6 +93,12 @@ The rest of the guide uses `kubectl`, but `microk8s` has `kubectl` as a subcomma
 
 2. Use `microk8s kubectl` instead of `kubectl` in the following steps. This'll require you to type
    `microk8s` at the front of all `kubectl` commands that are run from now on.
+   
+To add an alias, run the following command:
+
+```sh
+echo "alias kubectl='microk8s kubectl'" >> ~/.bash_aliases && source ~/.bash_aliases
+```
 
 ##### Add a Node to the Cluster