feat: allow to set a baseurl (#310)

* feat: allow to set a baseURL for OpenAI providers

This allows to run local models that have a compatible OpenAI API, or
for instance use a proxy.

Signed-off-by: mudler <mudler@mocaccino.org>

* feat: allow to set baseURL in the auth subcommand

Signed-off-by: mudler <mudler@mocaccino.org>

---------

Signed-off-by: mudler <mudler@mocaccino.org>
Co-authored-by: Alex Jones <alexsimonjones@gmail.com>
Co-authored-by: Matthis <99146727+matthisholleville@users.noreply.github.com>

pkg/ai/openai.go

@@ -37,6 +37,12 @@ type OpenAIClient struct {
 func (c *OpenAIClient) Configure(config IAIConfig, language string) error {
 	token := config.GetPassword()
 	defaultConfig := openai.DefaultConfig(token)
+
+	baseURL := config.GetBaseURL()
+	if baseURL != "" {
+		defaultConfig.BaseURL = baseURL
+	}
+
 	client := openai.NewClientWithConfig(defaultConfig)
 	if client == nil {
 		return errors.New("error creating OpenAI client")