npm-dedupe: add page (#14421)

pages/common/npm-dedupe.md

@@ -0,0 +1,28 @@
+# npm dedupe
+
+> Reduce duplication in the `node_modules` directory.
+> More information: <https://docs.npmjs.com/cli/commands/npm-dedupe>.
+
+- Deduplicate packages in `node_modules`:
+
+`npm dedupe`
+
+- Follow `package-lock.json` or `npm-shrinkwrap.json` during deduplication:
+
+`npm dedupe --lock`
+
+- Run deduplication in strict mode:
+
+`npm dedupe --strict`
+
+- Skip optional/peer dependencies during deduplication:
+
+`npm dedupe --omit={{optional|peer}}`
+
+- Enable detailed logging for troubleshooting:
+
+`npm dedupe --loglevel=verbose`
+
+- Limit deduplication to a specific package:
+
+`npm dedupe {{package_name}}`