routing: move search routes registration to Invidious::Routing

src/invidious.cr

@@ -341,10 +341,7 @@ end
   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
-  Invidious::Routing.get "/search", Invidious::Routes::Search, :search
-  Invidious::Routing.get "/hashtag/:hashtag", Invidious::Routes::Search, :hashtag
+  Invidious::Routing.register_search_routes
 
   # User routes
   Invidious::Routing.register_user_routes

src/invidious/routing.cr

@@ -105,6 +105,17 @@ module Invidious::Routing
     get "/watch_videos", Routes::Playlists, :watch_videos
   end
 
+  def register_search_routes
+    get "/opensearch.xml", Routes::Search, :opensearch
+    get "/results", Routes::Search, :results
+    get "/search", Routes::Search, :search
+    get "/hashtag/:hashtag", Routes::Search, :hashtag
+  end
+
+  # -------------------
+  #  Media proxy routes
+  # -------------------
+
   def register_api_manifest_routes
     get "/api/manifest/dash/id/:id", Routes::API::Manifest, :get_dash_video_id