add vim-plug as mkessler-base dependency

PKGBUILD

@@ -1,6 +1,6 @@
 pkgbase=mkessler
 pkgname=(mkessler-base mkessler-xmonad mkessler-x mkessler-audio mkessler-software mkessler-print mkessler-locale mkessler-desktop mkessler-devel mkessler-signing-key)
-pkgver=0.12
+pkgver=0.13
 pkgrel=1
 pkgdesc="Base system configuration for mkessler systems"
 arch=('any')
@@ -30,9 +30,11 @@ package_mkessler-base() {
   depends+=(grub efibootmgr)
 
   # standard programs
-  depends+=(zsh gvim openssh gzip tar)
+  # note that vim-plug is from the AUR,
+  # the package has to be present on a custom repo
+  depends+=(zsh gvim vim-plug openssh gzip tar rsync)
 
-  # standard management utilities
+  # standard utilities
   depends+=(ncdu wget tree sudo htop which sed make grep)
 
   # terminal emulators