[ci skip] Add skip_preload to README and CHANGELOG

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## master
 
+- [PR [#33](https://github.com/DmitryTsepelev/ar_lazy_preload/pull/34)] Feature skip_preload, allow turn automatic preload off ([@OuYangJinTing][])
+
 ## 0.3.1 (2020-07-10)
 
 - [PR [#33](https://github.com/DmitryTsepelev/ar_lazy_preload/pull/33)] Don't do merge if there is nothing to merge ([@Earendil95][])

README.md

@@ -44,6 +44,12 @@ ArLazyPreload.config.auto_preload = true
 
 After that there is no need to call `#lazy_preload` on the association, everything would be loaded lazily.
 
+If you want to turn automatic preload off for a specific record, you can call `.skip_preload` before any associations method:
+
+```ruby
+users.first.skip_preload.posts # => SELECT * FROM posts WHERE user_id = ?
+```
+
 ## Installation
 
 Add this line to your application's Gemfile, and you're all set:

spec/ar_lazy_preload/skip_preload_spec.rb

@@ -33,8 +33,8 @@
 
     it "loads excluded association" do
       subject.load.last.skip_preload.posts.to_a
-      id_concat = subject[0..-2].map(&:id).join(', ')
-      question_concat = (['?'] * (subject.size - 1)).join(', ')
+      id_concat = subject[0..-2].map(&:id).join(", ")
+      question_concat = (["?"] * (subject.size - 1)).join(", ")
       expect do
         subject.first.posts.to_a
       end.to make_database_queries(