Changes to Create string to context bindings

added the pattern ^[a-z0-9]{9}$ to the path request parameter projectId

added Hashcode to the bindings/items/stringHashcode request property allOf list

the bindings/items/stringHashcode request property type changed from string to no type, and format from hash to no format

the response property response/errors/items/details became nullable for the status 400

the response property response/errors/items/details became nullable for the status 401

the response property response/errors/items/details became nullable for the status 429

the response property response/errors/items/details became nullable for the status 500

the response property response/errors/items/key became nullable for the status 400

the response property response/errors/items/key became nullable for the status 401

the response property response/errors/items/key became nullable for the status 429

the response property response/errors/items/key became nullable for the status 500

the response/allOf[subschema #2]/data/created/items/items/stringHashcode response's property type changed from string to no type for status 200

for the path request parameter projectId, the format was generalized from uuid to no format

added Hashcode to the response/allOf[subschema #2]/data/created/items/items/stringHashcode response property allOf list for the response status 200

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