feat: list files and delete file

v1.0.3

feat: api add list files and delete files

feat: downgrade the go version

v1.0.2

feat: downgrade the go version

feat: files upload and retrieve

1. add two function to AIClient
   • func (c *AIClient) UpdateFile(method string, param OpenAIFileCreateParam) (*FileInfo, error)
   • RetrieveFile(method string, fileID string) (*FileInfo, error)
2. unmarshal res even read eof in func Recv
3. add function MakeChatReqBytes which return http request body bytes to AIClient

init

openai chat api
checked with qianwen compatible-mode