pueue-*: add page (#5285)

pages/common/pueue-completions.md

@@ -0,0 +1,16 @@
+# pueue completions
+
+> Generates shell completion files for bash, elvish, fish, powershell, and zsh.
+> More information: <https://github.com/Nukesor/pueue>.
+
+- Generate completions for bash:
+
+`sudo pueue completions bash {{/usr/share/bash-completion/completions/pueue.bash}}`
+
+- Generate completions for zsh:
+
+`sudo pueue completions zsh {{/usr/share/zsh/site-functions}}`
+
+- Generate completions for fish:
+
+`sudo pueue completions fish {{/usr/share/fish/completions}}`