Update Dockerfile

Dockerfile

@@ -1,3 +1,6 @@
+# SPDX-FileCopyrightText: 2023 German Aerospace Center (DLR)
+# SPDX-License-Identifier: Apache-2.0
+
 # To build: docker build -t tbt .
 
 # Stage 1: Build the Rust application
@@ -32,4 +35,4 @@ COPY res /app/res
 COPY --from=builder /app/target/release/tbt-segmentation /app/target/release/tbt-segmentation
 
 # Best way to run docker: docker run -it --rm --name tbt-container <image_name> bash
-# If you want to have a look at the .png files call from your host system: docker cp <container_id>:<location_png> <location_to_be_stored>
+# If you want to have a look at the .png files call from your host system: docker cp <container_id>:<location_png> <location_to_be_stored>