Update React Router documentation (6.4.1)

lib/docs/filters/react_router/entries.rb

@@ -1,6 +1,14 @@
 module Docs
   class ReactRouter
     class EntriesFilter < Docs::EntriesFilter
+      def get_name
+        at_css('.markdown h1').content
+      end
+
+      def get_type
+        slug.split('/').first.capitalize
+      end
+
       def additional_entries
         entries = []
         css('h2[id], h3[id]').each do |node|

lib/docs/scrapers/react_router.rb

@@ -3,15 +3,17 @@ module Docs
     self.name = 'React Router'
     self.slug = 'react_router'
     self.type = 'simple'
-    self.release = '6.3.0'
-    self.base_url = 'https://reactrouterdotcom.fly.dev/docs/en/v6/api'
+    self.release = '6.4.1'
+    self.base_url = 'https://reactrouterdotcom.fly.dev/docs/en/v6'
 
     self.links = {
       home: 'https://reactrouterdotcom.fly.dev/',
       code: 'https://github.com/remix-run/react-router'
     }
 
-    html_filters.push 'react_router/entries', 'react_router/clean_html', 'title'
+    html_filters.push 'react_router/entries', 'react_router/clean_html'
+
+    options[:skip_patterns] = [/upgrading/]
 
     options[:attribution] = <<-HTML
       &copy; React Training 2015-2019<br>