Add oauth2 like auth service

Signed-off-by: Asai Neko <sugar@sne.moe>

service/auth/refresh.go

@@ -1,7 +1,7 @@
 package auth
 
 import (
-	"nixcn-cms/internal/cryptography"
+	"nixcn-cms/pkgs/authtoken"
 
 	"github.com/gin-gonic/gin"
 	"github.com/spf13/viper"
@@ -17,7 +17,7 @@ func Refresh(c *gin.Context) {
 		return
 	}
 
-	JwtTool := cryptography.Token{
+	JwtTool := authtoken.Token{
 		Application: viper.GetString("server.application"),
 	}