refactor: move api/v1/utils to net/gphttp

internal/net/gphttp/default_client.go

@@ -0,0 +1,27 @@
+package gphttp
+
+import (
+	"crypto/tls"
+	"net"
+	"net/http"
+	"time"
+)
+
+var (
+	httpClient = &http.Client{
+		Timeout: 5 * time.Second,
+		Transport: &http.Transport{
+			DisableKeepAlives: true,
+			ForceAttemptHTTP2: false,
+			DialContext: (&net.Dialer{
+				Timeout:   3 * time.Second,
+				KeepAlive: 60 * time.Second, // this is different from DisableKeepAlives
+			}).DialContext,
+			TLSClientConfig: &tls.Config{InsecureSkipVerify: true},
+		},
+	}
+
+	Get  = httpClient.Get
+	Post = httpClient.Post
+	Head = httpClient.Head
+)