Merge pull request #40331 from utkarsh-singh1/update-docs-reference-kubectl-cheatsheet-md

Added kubectl completion command for fish shell in kubect cheatsheet docmentation

Author: k8s-ci-robot

content/en/docs/reference/kubectl/cheatsheet.md

@@ -42,6 +42,15 @@ complete -o default -F __start_kubectl k
 source <(kubectl completion zsh)  # set up autocomplete in zsh into the current shell
 echo '[[ $commands[kubectl] ]] && source <(kubectl completion zsh)' >> ~/.zshrc # add autocomplete permanently to your zsh shell
 ```
+
+### FISH
+
+Require kubectl version 1.23 or above.
+
+```bash
+echo 'kubectl completion fish | source' >> ~/.config/fish/config.fish  # add kubectl autocompletion permanently to your fish shell 
+```
+
 ### A note on `--all-namespaces`
 
 Appending `--all-namespaces` happens frequently enough that you should be aware of the shorthand for `--all-namespaces`: