(raspotify): Add role

roles/raspotify/defaults/main.yaml

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+# Output of `librespot -d ?` (https://github.com/dtcooper/raspotify/wiki/Basic-Setup-Guide#alsa-backend-default)
+raspotify_sound_device: hw:CARD=Headphones,DEV=0
+raspotify_device_type: speaker
+raspotify_script_url: https://dtcooper.github.io/raspotify/install.sh
+raspotify_config_file: /etc/raspotify/conf

roles/raspotify/tasks/main.yaml

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+---
+- name: 'Download raspotify install script'
+  become: true
+  ansible.builtin.get_url:
+    url: '{{ raspotify_script_url }}'
+    dest: '{{ tmp_dir }}/raspotify.sh'
+    mode: 0755
+
+- name: 'Install raspotify'
+  become: true
+  ansible.builtin.command: './raspotify.sh'
+  changed_when: false
+  args:
+    chdir: '{{ tmp_dir }}'
+
+- name: 'Remove raspotify install script'
+  become: true
+  ansible.builtin.file:
+    path: '{{ tmp_dir }}/raspotify.sh'
+    state: absent
+
+- name: 'Set sound device'
+  become: true
+  ansible.builtin.replace:
+    dest: '{{ raspotify_config_file }}'
+    regexp: '^#LIBRESPOT_DEVICE="default"'
+    replace: 'LIBRESPOT_DEVICE="{{ raspotify_sound_device }}"'
+
+- name: 'Set device type'
+  become: true
+  ansible.builtin.replace:
+    dest: '{{ raspotify_config_file }}'
+    regexp: '^#LIBRESPOT_DEVICE_TYPE="speaker"'
+    replace: 'LIBRESPOT_DEVICE_TYPE="{{ raspotify_device_type }}"'