chore: add the suggestions

src/invidious/routes/before_all.cr

@@ -63,6 +63,7 @@ module Invidious::Routes::BeforeAll
                 "/videoplayback",
                 "/latest_version",
                 "/download",
+                "/companion/",
               }.any? { |r| env.request.resource.starts_with? r }
 
     if env.request.cookies.has_key? "SID"

src/invidious/routes/companion.cr

@@ -28,10 +28,6 @@ module Invidious::Routes::Companion
       env.response.headers[key] = value
     end
 
-    if response.status_code >= 300
-      return env.response.headers.delete("Transfer-Encoding")
-    end
-
-    return proxy_file(response, env)
+    return IO.copy response.body_io, env.response
   end
 end