Added David to the gang

CONTRIBUTORS.txt

@@ -1,2 +1,3 @@
 John Smith - josmith@email.ex
 Ashley Roach - asroach@cisco.com
+David Fernandez - davidfe@cisco.com

Dockerfile

@@ -0,0 +1,22 @@
+FROM debian:latest
+MAINTAINER calvin juanda2@wouldntuwannanow.com
+
+# You can provide comments in Dockerfiles
+# Install any needed packages for your application
+RUN apt-get update && apt-get install -y \
+    aufs-tools \
+    automake \
+    build-essential \
+    curl \
+    dpkg-sig \
+    mercurial \
+ && rm -rf /var/lib/apt/lists/*
+
+MAINTAINER Cal
+
+EXPOSE 80
+
+COPY hello_world.sh /root/
+RUN chmod +x /root/hello_world.sh
+
+CMD ["/root/hello_world.sh"]

LICENSE

@@ -0,0 +1,14 @@
+Copyright (c) 2019 Cisco and/or its affiliates.
+
+This software is licensed to you under the terms of the Cisco Sample
+Code License, Version 1.0 (the "License"). You may obtain a copy of the
+License at
+
+               https://developer.cisco.com/docs/licenses
+
+All use of the material herein must be in accordance with the terms of
+the License. All rights not expressly granted by the License are
+reserved. Unless required by applicable law or agreed to separately in
+writing, software distributed under the License is distributed on an "AS
+IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
+or implied.