paccheck: add page (#18455)

Co-authored-by: Dylan <145150333+dmmqz@users.noreply.github.com>
Co-authored-by: Lena Pastwa <126529524+acuteenvy@users.noreply.github.com>

pages/linux/paccheck.md

@@ -0,0 +1,28 @@
+# paccheck
+
+> Check installed packages on an Arch-based system to verify dependencies, integrity, and consistency.
+> More information: <https://github.com/andrewgregory/pacutils/blob/master/doc/paccheck.pod>.
+
+- List and check all installed packages:
+
+`paccheck`
+
+- Check the specified packages:
+
+`paccheck {{package1 package2 ...}}`
+
+- Only display messages if a problem is found:
+
+`paccheck --quiet`
+
+- Check that all package dependencies are satisfied:
+
+`paccheck --depends`
+
+- Display help:
+
+`paccheck --help`
+
+- Display version:
+
+`paccheck --version`