add docs for any type

Author: ezekg

CHANGELOG.md

@@ -2,7 +2,7 @@
 
 ## 1.3.0
 
-- Add `:any` type to skip type validation for a given param.
+- Add `any` type to skip type validation for a given param.
 
 ## 1.2.7
 

README.md

@@ -781,6 +781,7 @@ Type `:date`. Defines a date parameter. Must be a `Date`.
 
 - [`:array`](#array-type)
 - [`:hash`](#hash-type)
+- [`:any`](#any-type)
 
 #### Array type
 
@@ -822,6 +823,14 @@ param :only_scalars, type: :hash
 param :non_scalars_too, type: :hash, allow_non_scalars: true
 ```
 
+#### Any type
+
+Type `:any`. Defines a parameter that is not type checked.
+
+```ruby
+param :anything_goes, type: :any
+```
+
 ### Custom types
 
 You may register custom types that can be utilized in your schemas.