pkgstats: add page (#19950)

Co-authored-by: Ivan Baluta <ivanbaluta.dev@gmail.com>

pages/linux/pkgstats.md

@@ -0,0 +1,28 @@
+# pkgstats
+
+> Submit and view Arch Linux package popularity statistics.
+> More information: <https://github.com/archlinux-de/pkgstats-cli#usage>.
+
+- Send installed package data:
+
+`pkgstats submit`
+
+- View the sent data:
+
+`pkgstats submit {{[-d|--dump-json]}}`
+
+- Search for packages:
+
+`pkgstats search {{search_term}}`
+
+- Limit search result count (10 by default):
+
+`pkgstats search {{search_term}} {{[-l|--limit]}} {{count}}`
+
+- Pick packages for comparison:
+
+`pkgstats show {{package1 package2 ...}}`
+
+- Display help:
+
+`pkgstats {{[-h|--help]}}`