add pulseaudio role

roles/pulseaudio/tasks/main.yml

@@ -0,0 +1,15 @@
+---
+
+- name: install pulseaudio
+  apt:
+    name: '{{ item }}'
+    state: present
+    install_recommends: no
+  with_items:
+    - pulseaudio
+    - pavucontrol
+
+- name: create /etc/asound.conf
+  template:
+    src: templates/alsa/asound.conf.j2
+    dest: /etc/asound.conf

roles/pulseaudio/templates/alsa/asound.conf.j2

@@ -0,0 +1,14 @@
+# Use PulseAudio by default
+pcm.!default {
+  type pulse
+  fallback "sysdefault"
+  hint {
+    show on
+    description "Default ALSA Output (currently PulseAudio Sound Server)"
+  }
+}
+
+ctl.!default {
+  type pulse
+  fallback "sysdefault"
+}