Update nginx documentation (1.22.0)

assets/javascripts/templates/pages/about_tmpl.coffee

@@ -579,7 +579,7 @@ credits = [
     'https://github.com/LearnBoost/mongoose/blob/master/README.md#license'
   ], [
     'nginx',
-    '2002-2021 Igor Sysoev<br>&copy; 2011-2021 Nginx, Inc.',
+    '2002-2021 Igor Sysoev<br>&copy; 2011-2022 Nginx, Inc.',
     'BSD',
     'http://nginx.org/LICENSE'
   ], [

lib/docs/filters/nginx/entries.rb

@@ -21,6 +21,8 @@ module Docs
         css('h1 + ul a').each_with_object [] do |node, entries|
           name = node.content.strip
           next if name =~ /\A[A-Z]/ || name.start_with?('/')
+          mod = get_name
+          name = "#{name} (#{mod})" unless mod.match?(/ngx_http/)
 
           id = node['href'].remove('#')
           next if id.blank?

lib/docs/scrapers/nginx.rb

@@ -2,7 +2,7 @@ module Docs
   class Nginx < UrlScraper
     self.name = 'nginx'
     self.type = 'nginx'
-    self.release = '1.21.0'
+    self.release = '1.22.0'
     self.base_url = 'https://nginx.org/en/docs/'
     self.links = {
       home: 'https://nginx.org/',
@@ -23,7 +23,7 @@ module Docs
     # http://nginx.org/LICENSE
     options[:attribution] = <<-HTML
       &copy; 2002-2021 Igor Sysoev<br>
-      &copy; 2011-2021 Nginx, Inc.<br>
+      &copy; 2011-2022 Nginx, Inc.<br>
       Licensed under the BSD License.
     HTML