feat: convert gemini format to openai chat completions

relay/channel/ollama/adaptor.go

@@ -17,6 +17,11 @@ import (
 type Adaptor struct {
 }
 
+func (a *Adaptor) ConvertGeminiRequest(*gin.Context, *relaycommon.RelayInfo, *dto.GeminiChatRequest) (any, error) {
+	//TODO implement me
+	return nil, errors.New("not implemented")
+}
+
 func (a *Adaptor) ConvertClaudeRequest(c *gin.Context, info *relaycommon.RelayInfo, request *dto.ClaudeRequest) (any, error) {
 	openaiAdaptor := openai.Adaptor{}
 	openaiRequest, err := openaiAdaptor.ConvertClaudeRequest(c, info, request)