added folder structure

README.md

@@ -12,6 +12,28 @@ https://docs.ros.org/en/rolling/Releases/Release-Humble-Hawksbill.html
 ```colcon build . ```
 5. Launch all or single modules.
 
+### Folder Structure (after building)
+
+
+```
+.  
+├── build                    # Builded packages ...
+│   ├── ...  
+├── install                  # Local workspace ...
+│   ├── local_setup.bash  
+│   ├── ...  
+├── log                      # Build and node logs ...
+│   ├── ...  
+├── pkg                      # Submodules
+│   ├── rq_controller  
+│   ├── rq_ddetection  
+│   ├── rq_hardware  
+│   ├── rq_interfaces  
+│   └── rq_trajectory  
+└── README.md  
+
+```
+
 ## Packages Overview
 
 | Submodule          | Describtion                                   |  Link                                                                      |
@@ -21,3 +43,5 @@ https://docs.ros.org/en/rolling/Releases/Release-Humble-Hawksbill.html
 | `Hardware`         |  Interface to real / simulated system         | [rq_hardware](https://mygit.th-deg.de/roboct/robo_quality/rq_hardware)     |
 | `Trajectory`       |  CT-Trajectory optimization                   | [rq_trajectory](https://mygit.th-deg.de/roboct/robo_quality/rq_trajectory) |
 | `Interfaces`       |  project intern interfaces for all msg / srv. | [rq_interfaces](https://mygit.th-deg.de/roboct/robo_quality/rq_interfaces) |
+
+