feat: add CICD pipeline

Dockerfile

@@ -0,0 +1,14 @@
+FROM alpine:3.17
+
+# Setup correct TZ
+RUN apk add alpine-conf
+RUN /sbin/setup-timezone -z UTC
+
+RUN apk add restic curl
+
+WORKDIR /app
+
+COPY ./src/entry.sh /app/
+COPY ./src/backup.sh /app/
+
+CMD [ "/bin/sh", "entry.sh" ]