update code (Add middleware handle authentik server suddenly offline)

middleware/authentik.go

@@ -0,0 +1,14 @@
+package middleware
+
+import (
+	"log"
+
+	"github.com/gin-gonic/gin"
+)
+
+func CheckConnection() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		log.Println("OK")
+		c.Next()
+	}
+}