rename letsencrypt-2 image folder to acme-nginx and add jenkins file for building image

dockerfiles/tasks/acme-nginx/Dockerfile

@@ -0,0 +1,20 @@
+FROM ubuntu:focal
+MAINTAINER Richard Morgan <r_morgan@sympatico.ca>
+
+WORKDIR /opt/project
+
+EXPOSE 80
+
+RUN apt-get update && apt-get install -y \
+    wget \
+    \
+  && apt-get clean && rm -rf /var/lib/apt/lists/* /tmp/* /var/tmp/*
+
+
+ARG script_dir=/usr/local/bin/acme-nginx
+RUN wget https://github.com/kshcherban/acme-nginx/releases/download/v0.1.2/acme-nginx \
+  -O ${script_dir}
+RUN chmod +x ${script_dir}
+
+ENV TERM=xterm
+ENTRYPOINT ["/usr/local/bin/acme-nginx"]