Remove outdated docs. Add Docker info to README.md

README.md

@@ -27,6 +27,17 @@ predictive and fabricable technologies.
 
 # Basic Setup
 
+## Docker Image
+
+We have a pre-configured Ubuntu [Docker](https://www.docker.com/) image
+available that has all tools installed for the [SCMOS] process. It is
+available at [docker hub](https://hub.docker.com/r/vlsida/openram-ubuntu).
+Please see 
+[our README.md](https://github.com/VLSIDA/openram-docker-images/blob/master/README.md)
+for information on how to use this docker image.
+
+## Dependencies
+
 The OpenRAM compiler has very few dependencies:
 + [Ngspice] 26 (or later) or HSpice I-2013.12-1 (or later) or CustomSim 2017 (or later)
 + Python 3.5 or higher
@@ -40,6 +51,8 @@ You must set two environment variables:
 + OPENRAM\_HOME should point to the compiler source directory. 
 + OPENERAM\_TECH should point to a root technology directory.
 
+## Environment
+
 For example add this to your .bashrc:
 
 ```