npm-completion: add page (#18439)

Co-authored-by: Sadeed <[email protected]>
Co-authored-by: Managor <[email protected]>

Author: 3 people

pages/common/npm-completion.md

@@ -0,0 +1,20 @@
+# npm completion
+
+> Enable or set up tab-completion for npm commands.
+> More information: <https://docs.npmjs.com/cli/commands/npm-completion>.
+
+- Enable tab-completion for the current shell session:
+
+`npm completion`
+
+- Add completion to your shell profile (Bash):
+
+`npm completion >> ~/.bashrc`
+
+- Add completion to your shell profile (Zsh):
+
+`npm completion >> ~/.zshrc`
+
+- Write completions script to a specific file:
+
+`npm completion > {{path/to/file}}`