First cut of the link fields

services/posts/services.go

@@ -89,6 +89,7 @@ func (s *Service) Save(ctx context.Context, site models.Site, post *models.Post)
 }
 
 type NewPost struct {
-	Title string
-	Body  string
+	Title  string            `json:"title" form:"title"`
+	Body   string            `json:"body" form:"body"`
+	Params map[string]string `json:"params" form:"params"`
 }