chore: run prettier on website docs

website/docs/_posts/2017-07-13-configure-renovate.md

website/docs/_posts/2017-07-24-data-security.md

website/docs/_posts/2017-07-26-dependency-pinning.md

website/docs/_posts/2017-07-31-private-modules.md

website/docs/_posts/2017-08-18-config-presets.md

website/docs/_posts/2017-10-05-configuration-options.md

website/docs/_posts/2017-10-06-noise-reduction.md

website/docs/_posts/2017-10-24-docker-support.md

website/docs/_posts/2017-11-10-docker.md

website/docs/_posts/2017-11-10-javascript.md

website/docs/_posts/2017-12-05-node.md

website/docs/_posts/2017-12-15-bazel.md