updated Dockerfile to set workdirectory

Author: Cyb3rWard0g

Dockerfile

@@ -18,9 +18,9 @@ RUN apt-get update --yes && \
 
 RUN python3 -m pip install --upgrade six==1.15.0 attackcti==0.3.8 pandas==1.3.5 altair vega
 
-COPY docs/playground ${HOME}/notebooks
+COPY docs/playground ${HOME}/
 
 # Switch back to jovyan to avoid accidental container runs as root
 USER ${NB_UID}
 
-WORKDIR ${HOME}/notebooks
+WORKDIR ${HOME}