Add new Groq models "llama-3.1-70b-versatile" and "llama-3.1-8b-instant"

This commit introduces two new models to the Groq provider: "llama-3.1-70b-versatile" and "llama-3.1-8b-instant". These additions enhance the versatility and instant processing capabilities of the Groq model offerings.

Wox/ai/provider_groq.go

@@ -57,6 +57,14 @@ func (g *GroqProvider) ChatStream(ctx context.Context, model Model, conversation
 
 func (g *GroqProvider) Models(ctx context.Context) (models []Model, err error) {
 	return []Model{
+		{
+			Name:     "llama-3.1-70b-versatile",
+			Provider: ProviderNameGroq,
+		},
+		{
+			Name:     "llama-3.1-8b-instant",
+			Provider: ProviderNameGroq,
+		},
 		{
 			Name:     "llama3-8b-8192",
 			Provider: ProviderNameGroq,