feat: change packages to Hash

- change from multiple arrays for managing packages to a hash
- change to ensure_packages to prevent duplicate resource conflicts

site/profiles/manifests/firstrun/packages.pp

@@ -1,5 +1,7 @@
 # profiles::firstrun::packages
-class profiles::firstrun::packages {
+class profiles::firstrun::packages (
+  Hash $manage = lookup('profiles::packages::include'),
+) {
   # include the correct package repositories, define the install_packages exec
   case $facts['os']['family'] {
     'RedHat': {
@@ -15,8 +17,13 @@ class profiles::firstrun::packages {
     }
   }
 
+  # filter out packages with 'ensure' set to 'absent'
+  $packages_to_install = $manage.filter |$package, $options| {
+    !($options['ensure'] and $options['ensure'] == 'absent')
+  }
+
   # get all the packages to install, and convert into a space separated list
-  $packages = hiera_array('profiles::packages::install', [])
+  $packages = $packages_to_install.keys
   $package_list = $packages.join(' ')
 
   # install all the packages