Merge branch 'docker' of nicolas/zombie into master

Add Dockerfile by realmar

Dockerfile

@@ -0,0 +1,9 @@
+FROM rust:1.60
+
+WORKDIR /usr/src/zombie
+COPY . .
+
+RUN cargo install --path .
+
+ENTRYPOINT ["/usr/src/zombie/target/release/zombie"]
+CMD ["examples/hello_world.bf"]

README.md

@@ -1,2 +1,14 @@
 # zombie
 Fast Brainfuck interpreter written in Rust
+
+# Docker
+
+```sh
+$ docker build -t zombie .
+
+# default is running examples/hello_world.bf
+$ docker run -it --rm zombie
+
+# run specific example
+$ docker run -it --rm zombie examples/mandel.bf
+```