paclog: add page (#18510)

* doc: paclog

* updated as mentioned

pages/linux/paclog.md

@@ -0,0 +1,32 @@
+# paclog
+
+> Filter pacman log entries.
+> More information: <https://github.com/andrewgregory/pacutils/blob/master/doc/paclog.pod>.
+
+- Display the entire pacman log:
+
+`paclog`
+
+- Display pacman-style logged commandline entries:
+
+`paclog --commandline`
+
+- Display only errors, warnings, and notes:
+
+`paclog --warnings`
+
+- Display package name and action type:
+
+`paclog --package {{package_name}} --action {{install|upgrade|remove|...}}`
+
+- Display the list of installed packages according to the log:
+
+`paclog --pkglist`
+
+- Display help:
+
+`paclog --help`
+
+- Display version:
+
+`paclog --version`