Add systemd_socket role

roles/systemd_socket/meta/argument_specs.yaml

@@ -0,0 +1,16 @@
+---
+argument_specs:
+  main:
+    description:
+      - Adds a systemd socket for a service
+    options:
+      systemd_socket_name:
+        description: Name of the socket. The socket will be created at /run/<systemd_socket_name>.sock
+        type: str
+        required: true
+      systemd_socket_requires:
+        description: List of units this socket depends on.
+        type: list
+        required: false
+        default: []
+        elements: str