add vim to Dockerfile

.gitignore

@@ -280,4 +280,4 @@ Pipfile.lock
 
 
 # NER training files
-./data/train_NER/1*_20*.txt
\ No newline at end of file
+data/train_NER/1*_20*.txt

Dockerfile

@@ -11,6 +11,7 @@ RUN $CONDA_DIR/envs/renku/bin/pip install -U -e git+https://github.com/SwissData
 
 RUN sudo apt-get update
 RUN sudo apt-get install -y poppler-utils
+RUN sudo apt-get install vim
 
 # install spacy models
 RUN python -m spacy download de_core_news_sm