add pages for crux package management utilities

pages/linux/pkgmk.md

@@ -0,0 +1,27 @@
+# pkgmk
+
+> Make a binary package for use with pkgadd on CRUX
+
+- make and download a package
+
+`pkgmk -d`
+
+- install the package after making it
+
+`pkgmk -d -i`
+
+- upgrade the package after making it 
+
+`pkgmk -d -u`
+
+- ignore the footprint when making a package
+
+`pkgmk -d -if`
+
+- ignore the MD5 sum when making a package
+
+`pkgmk -d -im`
+
+- update the package's footprint
+
+`pkgmk -uf`