Update project description

README.md

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-Projection mapping addon for openFrameworks that runs on the Raspberry Pi.
+Projection mapping addon for openFrameworks that runs on the Raspberry Pi. There is a Raspberry Pi disk image available via the [ofxPiMapper website](https://ofxpimapper.com/).
 
-The project started as master's thesis project by [Krisjanis Rijnieks](https://rijnieks.com) at the [Helsinki Media Lab](https://medialab.aalto.fi/). Currently undergoing changes. Expect the API to be incompatible with your projects from the past or present-day.
+The project started as master's thesis project by [Krisjanis Rijnieks](https://rijnieks.com) at the [Aalto Media Lab](https://www.aalto.fi/en/aalto-media-lab). Currently being developed during free time. Please [donate](https://ofxpimapper.com/) to create more free time.
 
 ## Notes on Video Encoding