Add requirements, add docu in README

README.md

@@ -3,10 +3,21 @@
 [Jupyter Notebook](Extract_Bibliographic_Info_From_Alma.ipynb) for extracting bibliographic information
 for a given list of unique identifiers.
 
-If you want to try this on your local machine, please take note that you will need to get
-the [catalogue](https://labs.onb.ac.at/gitlab/labs-team/catalogue) module by executing
+## Setup
+
+If you want to try this on your local machine, please take note that you will need to
+do the following:
+
+### Get Submodule
+Get the [catalogue](https://labs.onb.ac.at/gitlab/labs-team/catalogue) module by executing
 ```
 cd catalogue
 git submodule init
 git submodule update
 ```
+
+### Install requirements
+After setting up your venv, install the requirements for the project:
+```
+pip install -r requirements.txt
+```

requirements.txt

+jupyter >= 1.0.0
+openpyxl >= 3.0.1
+pandas >= 0.25.3
+xlrd >= 1.0.0