Added Nix Flake

roles/test_role/README.md

@@ -4,7 +4,7 @@ A brief description about the role...
 
 ## Variables
 
-|         Name         | Is Required? |    Default    |
-|:--------------------:|:------------:|:-------------:|
-| `hello_world_string` |      ✔️       | Hello, World! |
-| `lorem_ipsum_string` |      ❌      |               |
+| Name                            | Is Required? | Default       |
+|:-------------------------------:|:------------:|:-------------:|
+| `test_role__hello_world_string` | ✔️            | Hello, World! |
+| `test_role__lorem_ipsum_string` | ❌           |               |

roles/test_role/defaults/main.yml

@@ -1 +1 @@
-hello_world_string: Hello, World!
+test_role__hello_world_string: Hello, World!

roles/test_role/tasks/main.yml

@@ -3,9 +3,10 @@
 
 - name: Print an "Hello, World!"
   ansible.builtin.debug:
-    msg: "{{ hello_world_string }}"
+    msg: "{{ test_role__hello_world_string }}"
 
 - name: Test the `ansible_managed` variable
   ansible.builtin.template:
     dest: /tmp/ansible.txt
-    src:  ansible.txt.j2
+    src: ansible.txt.j2
+    mode: preserve

roles/test_role/templates/ansible.txt.j2

@@ -1,3 +1,3 @@
-# {{ ansible_managed }}
+{{ ansible_managed | comment('plain') }}
 
-{{ lorem_ipsum_string }}
+{{ test_role__lorem_ipsum_string }}