Initial commit: FAST-LIO ROS2 workspace for duru_lio

Clean up config/rviz assets for MID360S-only deployment and split
run scripts by role (headless LIO via ssh, rviz-only on the local
monitor, and combined run) so mapping.launch.py no longer needs
config_file passed explicitly.

.gitignore

@@ -0,0 +1,11 @@
+build
+DIR/
+Log/*.png
+Log/*.txt
+Log/*.csv
+Log/*.pdf
+.vscode/c_cpp_properties.json
+.vscode/settings.json
+PCD/*.pcd
+PCD/output_map/
+PCD/1