enable AUR for ansible

Choux.yml

@@ -9,4 +9,5 @@
     - include: tasks/arch_base_packages.yml
     - include: tasks/users.yml
     - include: tasks/sudo.yml
+    - include: tasks/arch_aur.yml
     - include: tasks/arch_gnome.yml

tasks/arch_aur.yml

@@ -0,0 +1,18 @@
+---
+- user:
+    name: aur_builder
+    group: wheel
+- lineinfile:
+    path: /etc/sudoers.d/11-install-aur_builder
+    line: 'aur_builder ALL=(ALL) NOPASSWD: /usr/bin/pacman'
+    create: yes
+    validate: 'visudo -cf %s'
+
+- name: Git clone ansible-aur
+  git:
+    repo: https://github.com/kewlfft/ansible-aur.git
+    dest: ~/.ansible/plugins/modules/aur
+    version: master
+    accept_hostkey: yes
+  become_user: aur_builder
+