[Refactor][CI] Unify skip-ci targeting and mirror_hardwares pipeline presets (#5254)

Signed-off-by: wangyu <410167048@qq.com>
Signed-off-by: wangyu <53896905+yenuo26@users.noreply.github.com>
Signed-off-by: [Your Name] [Your Email]
Co-authored-by: Weiming Liao <fayespica@outlook.com>

docs/contributing/ci/.nav.yaml

@@ -1,6 +1,6 @@
 nav:
-  - CI_5levels.md
+  - test_system_overview.md
+  - ci_settings.md
+  - test_writing_guide.md
   - failures.md
-  - test_guide.md
-  - test_markers.md
-  - test_style.md
+  - test_execution_guide.md