Changes to Add Knowledge Base Entry

added the new optional request property referenceKind

added the new optional request property sourceFileName

the content request property's maxLength was increased from 50000 to 512000

added the optional property allOf[subschema #2]/data/conversion to the response with the 200 status

added the optional property allOf[subschema #2]/data/referenceKind to the response with the 200 status

added the optional property allOf[subschema #2]/data/sourceFileName to the response with the 200 status

added the new optional request property previewHtml

added the new optional request property referenceOrigin

added the new optional request property screenshotUrl

added the new optional request property thumbnailUrl

added the optional property allOf[subschema #2]/data/previewHtml to the response with the 200 status

added the optional property allOf[subschema #2]/data/referenceOrigin to the response with the 200 status

added the optional property allOf[subschema #2]/data/screenshotUrl to the response with the 200 status

added the optional property allOf[subschema #2]/data/thumbnailUrl to the response with the 200 status