Link the source and target content as translations of each other

Links the given source and target content as translations of each other. This operations runs asynchronously. For the given source and target content:

• Source and target content must be in the same translation group
• Source and target content paths must be under the folder '/content/documents'
• Source and target content must have the same content type
• The layout and the components of the source content must exist in target content's channel (for pages)
• Source and target content must not have any existing translations in each other's channel (content can have maximum 1 translation in a channel)

The operation will fail if the source or target content already has a translation in each other's channel. The existing translations can be overridden via parameter.