README.md in unidom-inventory-0.1 vs README.md in unidom-inventory-0.2

@@ -8,21 +8,41 @@
 
 ## Recent Update
 Check out the [Road Map](ROADMAP.md) to find out what's the next.
 Check out the [Change Log](CHANGELOG.md) to find out what's new.
 
+
+
 ## Usage in Gemfile
+
 ```ruby
 gem 'unidom-inventory'
 ```
 
+
+
 ## Run the Database Migration
+
 ```shell
 rake db:migrate
 ```
 The migration versions start with 200209.
 
+
+
 ## Call the Model
 ```ruby
 Unidom::Inventory::SerializedInventoryItem.valid_at.alive.first
 Unidom::Inventory::GroupedInventoryItem.valid_at.alive.first
 ```
+
+
+
+## Include the Concerns
+```ruby
+include Unidom::Inventory::AsInventoryItem
+```
+
+### As Inventory Item concern
+The As Inventory Item concern do the following tasks for the includer automatically: 
+1. Define the belongs_to :stored macro as: ``belongs_to :stored, polymorphic: true``
+2. Define the belongs_to :store macro as: ``belongs_to :store, polymorphic: true``