tcp lab almost finished and mitnick lab initialized

Mitnick/Labsetup/image_ubuntu_mitnick/Dockerfile

@@ -0,0 +1,10 @@
+FROM handsonsecurity/seed-ubuntu:large
+ARG DEBIAN_FRONTEND=noninteractive
+
+# Extra package needed by the Mitnick Attack Lab
+RUN apt-get update \
+    && apt-get -y install \
+          rsh-redone-client \
+          rsh-redone-server \
+    && rm -rf /var/lib/apt/lists/*
+