add grafana alloy role

roles/grafana_alloy/tasks/main.yml

@@ -0,0 +1,13 @@
+
+- name: Render Alloy config 
+  set_fact:
+    __mylimbo_globals_alloy_config_content: "{{ lookup('template', 'template/config.alloy.j2') }}"
+
+- name: Install Alloy
+  ansible.builtin.include_role:
+    name: grafana.grafana.alloy
+  vars:
+    # documentation:
+    # https://grafana.com/docs/grafana-cloud/observe-and-act/send-data/alloy/monitor/monitor-linux/
+    alloy_config: "{{ __mylimbo_globals_alloy_config_content }}"
+