moreutils: add page (#12161)

* moreutils: add page

---------

Co-authored-by: Alejandro Cervera <96702705+tricantivu@users.noreply.github.com>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>

pages/common/moreutils.md

@@ -0,0 +1,13 @@
+# moreutils
+
+> A collection of UNIX tools.
+> Note: moreutils isn't a command, but a set of commands.
+> More information: <https://joeyh.name/code/moreutils/>.
+
+- View the tldr page for pages related to standard streams:
+
+`tldr {{ifne|mispipe|pee|sponge|vipe|vidir}}`
+
+- View documentation for other pages:
+
+`tldr {{combine|errno|ifdata|isutt8|lckdo|parallel|zrun}}`