Added a Dockerfile build scrpit.

Author: Marshall Lee Whittaker

Dockerfile

@@ -0,0 +1,25 @@
+FROM ubuntu:16.04
+
+WORKDIR /src
+
+RUN apt update && apt-get --no-install-recommends -yqq install \
+	ca-certificates \
+	git \
+	automake \
+	autoconf-archive \
+	zlib1g-dev \
+	g++ \
+	libgcc-4.8-dev \
+	gcc \
+	gtk2.0
+
+RUN git clone https://github.com/oxagast/ansvif.git
+WORKDIR ansvif
+RUN	aclocal
+RUN autoconf
+RUN automake -a
+RUN ./configure --disable-gtk
+RUN make
+
+
+CMD ./ansvif -t examples/specific/flag_chars.txt -c ./generic_buffer_overflow -b 64 -z -L root