Stub project access control for users

app/controllers/projects/users_controller.rb

@@ -0,0 +1,24 @@
+class Projects::UsersController < ApplicationController
+  include ProjectScoped
+
+  before_action :set_user, except: %i[ index ]
+
+  def index
+    @users = @project.users
+  end
+
+  def create
+    @project.accesses.create_or_find_by!(user: @user)
+    redirect_to project_users_url(@project)
+  end
+
+  def destroy
+    @project.accesses.destroy_by(user: @user)
+    redirect_to project_users_url(@project)
+  end
+
+  private
+    def set_user
+      @user = Current.account.users.find(params[:id])
+    end
+end