Provide "latest" download symbolic link
The download list at download.heptapod.net/runner/binaries/ provides versioned files only. This make it hart to spot the latest release. Please addd a symbolic link containing "latest" instead of the version number, pointing to the latest release. E.g. heptapod-runner-freebsd-arm-latest -> heptapod-runner-freebsd-arm-0.6.0