move shared code to pkg.

pkg/utils/request.go

@@ -0,0 +1,22 @@
+package utils
+
+import (
+	"bytes"
+	"io"
+	"net/http"
+)
+
+func HttpRequestGET(url string) (string, error) {
+	rsp, err := http.Get(url)
+	if err != nil {
+		return "", err
+	}
+	defer rsp.Body.Close()
+
+	buf, err := io.ReadAll(rsp.Body)
+	if err != nil {
+		return "", err
+	}
+
+	return string(bytes.TrimSpace(buf)), nil
+}