Added Dockerfile and instructions for using Colibrì through a docker container

docker/Dockerfile

@@ -0,0 +1,15 @@
+FROM debian:stable-slim 
+
+# We install the necessary packages to download and compile the code
+RUN apt-get update && \
+	apt-get install -y locales git build-essential python3 python3-pip && \
+	rm -rf /var/lib/apt/lists/* && \
+	mkdir /app
+
+# Let's clone the repository
+WORKDIR /app
+RUN git clone https://github.com/JustVugg/colibri.git .
+WORKDIR /app/c
+# It's time to compile
+RUN ./setup.sh && ./coli build
+