Update README

Author: 0xbeefd00d

README.md

@@ -2,6 +2,10 @@
 
 A plugin for [Zelos](https://github.com/zeropointdynamics/zelos) to enhance crash triaging by performing dataflow & root cause analysis.
 
+## Prerequisites
+
+This plugin depends on [Graphviz](https://graphviz.org/) to render control flow graphs. Instructions for installing Graphviz locally can be found [here](https://graphviz.org/download/). 
+
 ## Installation
 
 Install from pypi
@@ -23,3 +27,10 @@ $ cd zelos-crashd
 $ pip install -e '.[dev]'
 ```
 
+## Related Resources
+
+[CrasHD Visualizer](https://github.com/zeropointdynamics/vscode-crashd) is a VS Code extension for visualizing the results & output of this plugin that features:
+- Contextual source code highlighting
+- Interactive graph of data flow
+- Additional context & runtime information
+