Add Elasticsearch/bonsai.io to services doc.
Add Elasticsearch/bonsai.io to services doc.

Hip hip for OSS! 🙌
anthonyfok/hugo,mdhender/hugo,mdhender/hugo,fedelibre/hugo,anthonyfok/hugo,fedelibre/hugo,gohugoio/hugo,anthonyfok/hugo,fedelibre/hugo,gohugoio/hugo,mdhender/hugo,gohugoio/hugo,mdhender/hugo,fedelibre/hugo