cups: add page (#11844)

Co-authored-by: Sebastiaan Speck <12570668+sebastiaanspeck@users.noreply.github.com>
Co-authored-by: K.B.Dharun Krishna <kbdharunkrishna@gmail.com>
Co-authored-by: Lena <126529524+acuteenvy@users.noreply.github.com>

pages/common/cups.md

@@ -0,0 +1,25 @@
+# CUPS
+
+> Open source printing system.
+> CUPS isn't a single command, but a set of commands.
+> More information: <https://www.cups.org/index.html>.
+
+- View documentation for running the CUPS daemon:
+
+`tldr cupsd`
+
+- View documentation for managing printers:
+
+`tldr lpadmin`
+
+- View documentation for printing files:
+
+`tldr lp`
+
+- View documentation for checking status information about the current classes, jobs, and printers:
+
+`tldr lpstat`
+
+- View documentation for cancelling print jobs:
+
+`tldr lprm`