README.md in csv2hash-0.6.2 vs README.md in csv2hash-0.6.3

@@ -32,11 +32,11 @@
 
 ```
   Csv2hash::Main.generate_definition :name do
     set_type { Definition::MAPPING }
     set_header_size { 2 } # 0 by default
-    set_structure_rules {{ 'MaxColumns' => 2 }}
+    set_structure_rules {{ max_columns: 2 }}
     mapping do
       cell position: [0,0], key: 'gender'
       cell position: [1,0], key: 'name'
     end
   end
@@ -113,15 +113,17 @@
 
 ### [MAPPING] Validation of cells with defined precision
 
 Consider the following CSV:
 
+```
 | Fields      | Person Informations  | Optional |
 |-------------|----------------------|----------|
 | Nickname    |        jo            |    no    |
 | First Name  |        John          |    yes   |
 | Last Name   |        Doe           |    yes   |
+```
 
 Precise position validation sample:
 
 ```
 	class MyParser
@@ -131,11 +133,11 @@
 		def initialize file_path_or_data
 			@file_path_or_data = file_path_or_data
 		end
 
 		def data
-			@data_wrapper ||= Csv2hash::Main.new(Csv2hash::Main[:<definition_name>], file_path_or_data).parse
+			@data_wrapper ||= Csv2hash::Main.new(:<definition_name>, file_path_or_data).parse
 		end
 
 		private
 
 		def definition
@@ -155,10 +157,11 @@
 
 ### Auto discover position
 
 This is a special feature for finding the Y index of row where you data start. For instance you have this following data :
 
+```
 |---------------|---------------|------|-----|
 | Nickname      | jo            |      |     |
 | First Name    | John          |      |     |
 | Last Name     | Doe           |      |     |
 |               |               |      |     |
@@ -166,10 +169,11 @@
 | Post          | Doe           |      |     |
 |               |               |      |     |
 |               | Personal info | Age  | 26  |
 |               | Sex           | Male |     |
 |               |               |      |     |
+```
 
 You want extract `Employment` information and `Personal info` but we do not know if extra information will not come and break our index. This feature can be useful is this case.
 
 You must change Y position (rows) by the column index and regex, the parser will search on this column the index row of this regex, here our rule :
 
@@ -185,14 +189,16 @@
 
 ### [COLLECTION] Validation of a collection (Regular CSV)
 
 Consider the following CSV:
 
+```
 | Nickname | First Name | Last Name |
 |----------|------------|-----------|
 |   jo     |    John    |    Doe    |
 |   ja     |    Jane    |    Doe    |
+```
 
 Collection validation sample:
 
 ```
 	class MyParser
@@ -202,11 +208,11 @@
 		def initialize file_path_or_data
 			@file_path_or_data = file_path_or_data
 		end
 
 		def data
-			@data_wrapper ||= Csv2hash::Main.new(Csv2hash::Main[:<definition_name>], file_path_or_data).parse
+			@data_wrapper ||= Csv2hash::Main.new(:<definition_name>, file_path_or_data).parse
 		end
 
 		private
 
 		def definition
@@ -242,11 +248,11 @@
   	def initialize file_path_or_data
   		@file_path_or_data = file_path_or_data
   	end
 
   	def data
-  		@data_wrapper ||= Csv2hash::Main.new(Csv2hash::Main[:<definition_name>], file_path_or_data).parse
+  		@data_wrapper ||= Csv2hash::Main.new(:<definition_name>, file_path_or_data).parse
   	end
 
   	private
 
     def definition
@@ -359,13 +365,15 @@
 
 ## Sample
 
 ### Csv data
 
+```
 | Fields      | Person Informations  |
 |-------------|----------------------|
 | Nickname    |        nil           |
+```
 
 ### Rule
 
 ```
 	cell position: [1,1], key: 'nickname', allow_blank: false
@@ -402,16 +410,36 @@
 
 ```
 	[ [ 'Foo' ] ]
 ```
 
+# Config file
+
+You can defined rules into a yaml file
+
+```
+name: 'example'
+mapping: 'mapping'
+header_size: 2
+structure_rules: { max_columns: 20 }
+rules:
+  - { position: [1,1], key: 'first_name' }
+  - { position: [2,1], key: 'first_name' }
+```
+
 # Changes
 
 please refere to [CHANGELOG.md](https://github.com/FinalCAD/csv2hash/blob/master/CHANGELOG.md) doc
 
 # Upgrading
 
 please refere to [UPGRADE.md](https://github.com/FinalCAD/csv2hash/blob/master/UPGRADE.md) doc
+
+# Yard doc
+
+```
+bundle exec yard --plugin tomdoc
+```
 
 ## Contributing
 
 1. Fork it
 2. Create your feature branch (`git checkout -b my-new-feature`)