npm-{run, start, stop, restart, test}: add page (#14035)

Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>
Co-authored-by: Wiktor Perskawiec <git@spageektti.cc>

pages/common/npm-restart.md

@@ -0,0 +1,7 @@
+# npm restart
+
+> This command is an alias of `npm run restart`.
+
+- View documentation for the original command:
+
+`tldr npm run`