Update docker documentation (#6)

* update dockerfile and docs

.devcontainer/Dockerfile

@@ -17,6 +17,11 @@ ENV LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/local/mrtrix3/src:/usr/local/mrtrix3/c
 RUN echo ". /usr/local/fsl/etc/fslconf/fsl.sh" >> /root/.bashrc
 ENV PYTHONPATH=/usr/local/mrtrix3/build/lib
 
+RUN sh -c "$(wget -O- https://github.com/deluan/zsh-in-docker/releases/download/v1.1.5/zsh-in-docker.sh)" -- \
+    -p git -p ssh-agent -p 'history-substring-search' \
+    -a 'bindkey "\$terminfo[kcuu1]" history-substring-search-up' \
+    -a 'bindkey "\$terminfo[kcud1]" history-substring-search-down'
+
 
 
 

docs/docs/designer/installation.md

@@ -21,13 +21,12 @@ nav_order: 1
 We provide convenient docker images to quickly get started with Designer. The latest version will be published on [Docker Hub](https://hub.docker.com/repository/docker/nyudiffusionmri/designer2/general). 
 Official versions will be tagged (nyudiffusionmri/designer2:<tag>), while we also maintain images following our main development branch (nyudiffusionmri/designer2:main).
 
-To get started, install Docker on your machine:
-- https://www.docker.com/products/docker-desktop/
+To get started, install [Docker Desktop](https://www.docker.com/products/docker-desktop/) on your machine.
 
 
 Verifying can be done by running `docker run nyudiffusionmri/designer2:main designer`
 
-You can also start an interactive terminal in your container by running `docker -it run nyudiffusionmri/designer2:main /bin/bash`
+You can then start an interactive terminal in your container by running `docker run -it nyudiffusionmri/designer2:main /bin/bash`
 
 Files can be passed by mounting a local folder into the container: `docker run -it -v <path to local folder>:/data nyudiffusionmri/designer2:main /bin/bash`. In this case you can run commands in the container directly.