feat: add http3 & optimize conn

http2/http_test.go

@@ -0,0 +1,28 @@
+package http2
+
+import (
+	"io"
+	"testing"
+)
+
+func TestClientGet(t *testing.T) {
+	resp, err := Get("https://huggingface.co/")
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer resp.Body.Close()
+	t.Log("[T] response code", resp.StatusCode)
+	for k, vs := range resp.Header {
+		for _, v := range vs {
+			t.Log("[T] response header", k+":", v)
+		}
+	}
+	data, err := io.ReadAll(resp.Body)
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(data) == 0 {
+		t.Fail()
+	}
+	t.Log(string(data))
+}