Move pages under tldr, lint run.sh, update docs

tldr/lpadmin

@@ -0,0 +1,26 @@
+---
+syntax: markdown
+tags: [tldr, common]
+source: https://github.com/tldr-pages/tldr.git
+---
+# lpadmin
+
+> Configure CUPS printers and classes.
+> See also: `lpoptions`.
+> More information: <https://openprinting.github.io/cups/doc/man-lpadmin.html>.
+
+- Set the default printer:
+
+`lpadmin -d {{printer}}`
+
+- Delete a specific printer or class:
+
+`lpadmin -x {{printer|class}}`
+
+- Add a printer to a class:
+
+`lpadmin -p {{printer}} -c {{class}}`
+
+- Remove a printer from a class:
+
+`lpadmin -p {{printer}} -r {{class}}`