Fix malformed JSON in docs/use/examples/toc.json
Fix malformed JSON in docs/use/examples/toc.json

This file was malformed - a list item had been added without a comma
before it.

bmwshop/brooklyn,neykov/incubator-brooklyn,bmwshop/brooklyn,andreaturli/legacy-brooklyn,aledsage/legacy-brooklyn,andreaturli/legacy-brooklyn,bmwshop/brooklyn,andreaturli/legacy-brooklyn,neykov/incubator-brooklyn,aledsage/legacy-brooklyn,neykov/incubator-brooklyn,neykov/incubator-brooklyn,neykov/incubator-brooklyn,aledsage/legacy-brooklyn,andreaturli/legacy-brooklyn,bmwshop/brooklyn,bmwshop/brooklyn,bmwshop/brooklyn,andreaturli/legacy-brooklyn,aledsage/legacy-brooklyn,andreaturli/legacy-brooklyn,aledsage/legacy-brooklyn,aledsage/legacy-brooklyn,aledsage/legacy-brooklyn,andreaturli/legacy-brooklyn,bmwshop/brooklyn,neykov/incubator-brooklyn