Adding Dockerfile 🐳

Adding a basic Dockerfile for running sampler. A config must still be provided.

Dockerfile

@@ -0,0 +1,9 @@
+FROM ubuntu:focal
+
+ENV Sampler=/usr/local/bin/sampler
+
+RUN apt-get update && apt-get upgrade --yes && apt-get install libasound-dev wget --yes \
+  && wget https://github.com/sqshq/sampler/releases/download/v1.1.0/sampler-1.1.0-linux-amd64 -O $Sampler \
+  && chmod +x $Sampler
+  
+ENTRYPOINT ["sampler"]