Add new server to alpine SSH client

alpine-ssh-client/Dockerfile

@@ -27,4 +27,5 @@ RUN mkdir -p ~/.ssh && chmod 700 ~/.ssh \
                       buros-apps.unl.edu,129.93.168.136 \
                       its-lrc2.unl.edu,129.93.168.197 \
                       its-ads-saml-proxy.unl.edu,129.93.168.174 \
+                      is-appstuq.unl.edu,129.93.138.30 \
                       >> ~/.ssh/known_hosts