feat: added support for gemini native converterswq

Author: TejasGhatte

core/providers/gemini/chat.go

@@ -60,4 +60,4 @@ func TestGemini(t *testing.T) {
 		testutil.RunAllComprehensiveTests(t, client, ctx, testConfig)
 	})
 	client.Shutdown()
-}
+}