docs: do not mention beta

Author: palkan

README.md

@@ -21,10 +21,7 @@ Action Policy is an authorization framework for Ruby and Rails applications.
 Add this line to your application's `Gemfile`:
 
 ```ruby
-gem "action_policy"
-# or start from the new version,
-# which is coming soon (it contains much more useful features)
-gem "action_policy", "0.3.0.beta1"
+gem "action_policy", "~> 0.3.0"
 ```
 
 And then execute:

docs/README.md

@@ -5,7 +5,7 @@
 
 > Action Policy is an authorization framework for Ruby and Rails applications.
 
-**NOTE:** this documentation covers the _coming-soon_ version "0.3.0" ([first beta](https://rubygems.org/gems/action_policy) is out!).
+**NOTE:** this documentation is for the version "0.3.0+".
 
 ## What is it?
 

docs/debugging.md

@@ -17,6 +17,7 @@ def feed?
   (admin? || allowed_to?(:access_feed?)) &&
     (user.name == "Jack" || user.name == "Kate")
 end
+
 ```
 
 Suppose that you want to debug this rule ("Why does it return false?").