added docker image and CI/CD (git action) to limbosolutions docker registry

docker/Dockerfile

@@ -0,0 +1,18 @@
+FROM ubuntu:latest  
+
+
+RUN apt-get update
+
+
+RUN apt-get install -y \
+  python3 \ 
+  python3-pip \
+  borgbackup \
+  fuse \
+  python3-pyfuse3 \
+  openssh-client
+
+COPY ./docker/app /app
+RUN chmod +x /app/scripts/ffenv
+RUN ln -s /app/scripts/ffenv /usr/local/lib/ffenv
+