Update README.md

Author: rdmueller

README.md

@@ -28,6 +28,10 @@ If you like, you can help to evolve it.
 
 [![](https://img.shields.io/twitter/follow/ahus1de.svg?style=social)](https://twitter.com/intent/follow?screen_name=ahus1de)
 
+## Docs
+
+An architecture overview can be found at https://drawio-intellij-plugin.netlify.app/ .
+
 ## FAQ
 
 ### How do I build and run this project?
@@ -39,8 +43,4 @@ For development purpose, clone the project locally and start it with the command
 This will build the plugin and start an Instance of IntelliJ with the plugin already installed.
 You can even start this in debug mode.
 
-### The project does not build, I get error messages.
-
-One of the reasons could be that you cloned the project without the git submodule located in `/src/webview/drawio`.
 
-Execute `git submodule update --init` to locally clone the submodule to your project and retry the build.