新增：邀请用户链接生成

app/forms/projects/project_invite_links/create_form.rb

@@ -0,0 +1,8 @@
+class Projects::ProjectInviteLinks::CreateForm < BaseForm
+  attr_accessor :user_id, :project_id, :role, :is_apply
+  
+  validates :user_id, :project_id, :role, presence: true 
+  validates :role, inclusion: { in: %w(manager developer reporter), message: "请输入正确的权限." }
+  validates :is_apply, inclusion: {in: [true, false], message: "请输入是否需要管理员审核."}
+end
+