FIX: linking to house ads URLs shows not found error page

app/controllers/house_ads_controller.rb

@@ -9,6 +9,10 @@ module ::AdPlugin
       )
     end
 
+    def show
+      render_json_dump(house_ad: HouseAd.find(params[:id])&.to_hash)
+    end
+
     def create
       ad = HouseAd.create(house_ad_params)
       if ad.valid?

assets/javascripts/discourse/adplugin-route-map.js.es6

@@ -2,7 +2,7 @@ export default {
   resource: "admin.adminPlugins",
   path: "/plugins",
   map() {
-    this.route("houseAds", { path: "/house-ads" }, function() {
+    this.route("houseAds", { path: "/adplugin/house_ads" }, function() {
       this.route("index", { path: "/" });
       this.route("show", { path: "/:ad_id" });
     });

plugin.rb

@@ -54,7 +54,7 @@ after_initialize do
 
   AdPlugin::Engine.routes.draw do
     root to: 'house_ads#index'
-    resources :house_ads, only: [:index, :create, :update, :destroy]
+    resources :house_ads, only: [:index, :show, :create, :update, :destroy]
     resources :house_ad_settings, only: [:update]
   end