adds docker & release stuff for fnlb

fnlb/Dockerfile

@@ -0,0 +1,10 @@
+FROM alpine
+
+RUN apk --update upgrade && \
+    apk add curl ca-certificates && \
+        update-ca-certificates && \
+            rm -rf /var/cache/apk/*
+
+WORKDIR /app
+ADD fnlb-alpine /app/fnlb
+ENTRYPOINT ["./fnlb"]