Update cheatsheets

moreutils

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+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# 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 documentation 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}}`