feat: Adds a copy if not exists task, so that setup doesn't overwrite files if they exist.

tasks/copy_if_not_exists.yml

@@ -0,0 +1,19 @@
+---
+# NOTE: This is just an internal task that checks if a file exists
+#       before copying, to prevent changes from being overwritten.
+#
+- name: "Check if {{ destination | basename }} exists already."
+  ansible.builtin.stat:
+    path: "{{ destination }}"
+  register: filestat
+  tags:
+    - always
+
+- name: "Copy {{ destination | basename }} file."
+  ansible.builtin.copy:
+    src: "{{ source }}"
+    dest: "{{ destination }}"
+    mode: "{{ mode | default('0600') }}"
+  when: not filestat.stat.exists
+  tags:
+    - always