add: project unit add wiki

app/controllers/projects_controller.rb

@@ -16,6 +16,7 @@ class ProjectsController < ApplicationController
     menu.append(menu_hash_by_name("code")) if @project.has_menu_permission("code")
     menu.append(menu_hash_by_name("issues")) if @project.has_menu_permission("issues")
     menu.append(menu_hash_by_name("pulls")) if @project.has_menu_permission("pulls")
+    menu.append(menu_hash_by_name("wiki")) if @project.has_menu_permission("wiki")
     menu.append(menu_hash_by_name("devops")) if @project.has_menu_permission("devops")
     menu.append(menu_hash_by_name("versions")) if @project.has_menu_permission("versions")
     menu.append(menu_hash_by_name("resources")) if @project.has_menu_permission("resources")

app/models/project_unit.rb

@@ -16,7 +16,7 @@
 class ProjectUnit < ApplicationRecord
   belongs_to :project
 
-  enum unit_type: {code: 1, issues: 2, pulls: 3, devops: 4, versions: 5, resources: 6}
+  enum unit_type: {code: 1, issues: 2, pulls: 3, devops: 4, versions: 5, resources: 6, wiki: 7}
 
   validates :unit_type, uniqueness: { scope: :project_id}