feat: add ansible tag docs

docs/ansible/include_vs_import.md

@@ -0,0 +1,35 @@
+# Ansible Tags: import_tasks vs include_tasks
+
+**import_tasks (static)**
+
+- Processed at parse time — tasks are inlined into the play before execution
+- Tags on the import_tasks statement are inherited by all tasks inside the imported file
+- No need to repeat tags inside the imported file
+
+**include_tasks (dynamic)**
+
+- Processed at runtime — tasks are loaded when the include is reached
+- Tags on the include_tasks statement apply only to the include itself, not to the tasks inside
+- Required when using loop (which import_tasks doesn't support)
+- Use apply to propagate tags into included tasks:
+
+```yaml
+- name: "example"
+ ansible.builtin.include_tasks:
+   file: "example.yaml"
+   apply:
+     tags: "my-tag"    # propagates to tasks inside
+ tags: "my-tag"        # triggers the include itself
+```
+
+Both tags: lines are needed — the outer one ensures the include runs when --tags is used, and apply ensures the tasks inside also match the tag filter.
+
+Running with --tags
+
+- Only tasks matching the specified tags execute
+- tags: "always" runs regardless of tag filtering
+- Running without --tags executes everything
+
+Best practice
+
+Define tags in one place (main.yaml) and don't repeat them in sub-task files. This avoids confusion and keeps tag management centralized