Changes to List email templates

the endpoint scheme security ProjectAccessToken was added to the API

added the new path request parameter id

the data/items response's property type changed from no type to object for status 200

added the optional property data/items/created_at to the response with the 200 status

added the optional property data/items/id to the response with the 200 status

added the optional property data/items/project_id to the response with the 200 status

added the optional property data/items/updated_at to the response with the 200 status

added the required property data/items/html_body to the response with the 200 status

added the required property data/items/subject to the response with the 200 status

added the required property data/items/template_type to the response with the 200 status

added the required property data/items/text_body to the response with the 200 status

the data/items response's property type changed from object to no type for status 200

removed the required property data/items/html_body from the response with the 200 status

removed the required property data/items/subject from the response with the 200 status

removed the required property data/items/template_type from the response with the 200 status

removed the required property data/items/text_body from the response with the 200 status

deleted the path request parameter id

removed the optional property data/items/created_at from the response with the 200 status

removed the optional property data/items/id from the response with the 200 status

removed the optional property data/items/project_id from the response with the 200 status

removed the optional property data/items/updated_at from the response with the 200 status