routing: move playlist routes registration to Invidious::Routing

src/invidious.cr

@@ -338,18 +338,8 @@ end
   Invidious::Routing.register_channel_routes
   Invidious::Routing.register_watch_routes
 
-  Invidious::Routing.get "/create_playlist", Invidious::Routes::Playlists, :new
-  Invidious::Routing.post "/create_playlist", Invidious::Routes::Playlists, :create
-  Invidious::Routing.get "/subscribe_playlist", Invidious::Routes::Playlists, :subscribe
-  Invidious::Routing.get "/delete_playlist", Invidious::Routes::Playlists, :delete_page
-  Invidious::Routing.post "/delete_playlist", Invidious::Routes::Playlists, :delete
-  Invidious::Routing.get "/edit_playlist", Invidious::Routes::Playlists, :edit
-  Invidious::Routing.post "/edit_playlist", Invidious::Routes::Playlists, :update
-  Invidious::Routing.get "/add_playlist_items", Invidious::Routes::Playlists, :add_playlist_items_page
-  Invidious::Routing.post "/playlist_ajax", Invidious::Routes::Playlists, :playlist_ajax
-  Invidious::Routing.get "/playlist", Invidious::Routes::Playlists, :show
-  Invidious::Routing.get "/mix", Invidious::Routes::Playlists, :mix
-  Invidious::Routing.get "/watch_videos", Invidious::Routes::Playlists, :watch_videos
+  Invidious::Routing.register_iv_playlist_routes
+  Invidious::Routing.register_yt_playlist_routes
 
   Invidious::Routing.get "/opensearch.xml", Invidious::Routes::Search, :opensearch
   Invidious::Routing.get "/results", Invidious::Routes::Search, :results

src/invidious/routing.cr

@@ -44,6 +44,18 @@ module Invidious::Routing
     get "/subscription_manager", Routes::Subscriptions, :subscription_manager
   end
 
+  def register_iv_playlist_routes
+    get "/create_playlist", Routes::Playlists, :new
+    post "/create_playlist", Routes::Playlists, :create
+    get "/subscribe_playlist", Routes::Playlists, :subscribe
+    get "/delete_playlist", Routes::Playlists, :delete_page
+    post "/delete_playlist", Routes::Playlists, :delete
+    get "/edit_playlist", Routes::Playlists, :edit
+    post "/edit_playlist", Routes::Playlists, :update
+    get "/add_playlist_items", Routes::Playlists, :add_playlist_items_page
+    post "/playlist_ajax", Routes::Playlists, :playlist_ajax
+  end
+
   # -------------------
   #  Youtube routes
   # -------------------
@@ -87,6 +99,12 @@ module Invidious::Routing
     get "/embed/:id", Routes::Embed, :show
   end
 
+  def register_yt_playlist_routes
+    get "/playlist", Routes::Playlists, :show
+    get "/mix", Routes::Playlists, :mix
+    get "/watch_videos", Routes::Playlists, :watch_videos
+  end
+
   def register_api_manifest_routes
     get "/api/manifest/dash/id/:id", Routes::API::Manifest, :get_dash_video_id