Update Dockerfile

Dockerfile

@@ -23,6 +23,10 @@ RUN mkdir -p /root/.local/share/jupyter/runtime && \
     mkdir -p /root/.local && \
     chmod -R 755 /root/.local
 
+# Install additional language servers
+RUN pip install python-language-server jedi && \
+    npm install -g bash-language-server
+
 # Expose the port that Jupyter Notebook will run on
 EXPOSE 8888