Add playbook and roles for Audio Pi

playbooks/roles/shairport_sync/meta/argument_specs.yml

@@ -0,0 +1,8 @@
+---
+argument_specs:
+  main:
+    options:
+      shairport_sync__config:
+        description: shairport-sync config content
+        type: str
+        required: true

playbooks/roles/shairport_sync/meta/main.yml

@@ -0,0 +1,8 @@
+---
+dependencies:
+  - role: distribution_check
+    vars:
+      distribution_check__supported_distributions:
+        - name: Debian
+          versions:
+            - "11"