added instruction for downloading chromium driver for python selenium to README.md

.gitignore

@@ -1,3 +1,4 @@
 /venv
 /spiders/pages/**
 /spiders/output/**
+/spiders/config.yaml

README.md

@@ -16,5 +16,12 @@ Filter and serialize content to json.
 Filter either by xpath syntax.
 Or Filter with the help of Artificial Neural Networks (work in progress).
 
+To run this, create a python3 virtualenv, pip install -r requirements,
+and 
+```
+apt install xvfb
+apt install chromium
+apt install chromium-webdriver
+```