Merge pull request 'updated readme with basic docker image use' (#4) from development_docker_image into main

Reviewed-on: tfgrid/www_threefold4#4

README.md

@@ -32,4 +32,9 @@ Run the following line to start the website:
 
 ## With Hero Docker (Optional)
 
-You can use Hero Docker instead of a local installation. Read the [Hero Docker container](./hero_docs/crystallib_hero_basic_docs.md) docs for more information.
+You can use Hero Docker instead of a local installation. Simply run this before doing the installation and start steps.
+
+```
+docker pull logismosis/hero:latest
+docker run -it --net=host --name=hero-container -v ~/code:/root/code logismosis/hero:latest
+```