Changes to Search companies

removed the request property limit

added the optional property results/items/funding/stage to the response with the 200 status

added the optional property results/items/operating_status to the response with the 200 status

added the optional property results/items/organization_type to the response with the 200 status

added the required property results/items/funding/rounds to the response with the 200 status

added the required property results/items/revenue to the response with the 200 status

added the required property results/items/stock_symbols to the response with the 200 status

endpoint added