Feat: move gnome packages to defaults

roles/gnome/defaults/main.yml

@@ -1,4 +1,18 @@
 ---
 # defaults file for gnome
-me:
-  username: user1
+pacman_gnome:
+  - gnome
+  - gdm
+  - gnome-tweaks
+  - gparted
+  - transmission-gtk
+  - quodlibet
+  - networkmanager
+  - network-manager-applet
+  - gnome-keyring
+  - grsync
+  - soundconverter
+  - picard
+  - shotwell
+  - pitivi
+  - seahorse

roles/gnome/tasks/arch.yml

@@ -2,26 +2,10 @@
 # tasks file for gnome
 - name: Install gnome packages
   pacman:
-    name:
-      - gnome
-      - gdm
-      - gnome-tweaks
-      - gparted
-      - transmission-gtk
-      - quodlibet
-        # - chrome-gnome-shell
-      - networkmanager
-      - network-manager-applet
-      - gnome-keyring
-      - grsync
-      - soundconverter
-      - picard
-      - shotwell
-      - pitivi
-      - seahorse
-      - python-psutil
+    name: "{{ item }}"
     state: present
     update_cache: yes
+  with_items: "{{ pacman_gnome }}"
 
 - name: Install look and feel
   pacman: