README.md in tramway-landing-3.0 vs README.md in tramway-landing-3.0.0.1

- old
+ new

@@ -9,16 +9,17 @@
 Tramway-landing provides several types of blocks for main page.
 
 List of blocks:
 
 * Header
+* Header with form
 * Footer
 * Block with text and image
 * Block with text, image and button
 * Cards
 * Features list
-* Contacts
+* Contacts, also Contacts without map
 * View
 * Just text
 * Link to the object
 
 All block's previews you can see at the bottom of this Readme
@@ -142,20 +143,57 @@
   -# your content for <head>
 ```
 
 Then all your showing blocks will be on the main page.
 
-## Blocks
+## Migrate from tramway-landing 2.x to tramway-landing 3.x
 
+#### 1. Add tramway-page gem to the Gemfile
+
+*Gemfile*
+```ruby
+gem 'tramway-page', '>= 1.4.1'
+```
+
+#### 2. Run install generator of tramway-page gem
+
+```shell
+rails g tramway:page:install
+```
+
+#### 3. Run upgraded generator of tramway-landing gem
+
+```shell
+rails g tramway:landing:install
+```
+
+#### 4. Create new Tramway::Page::Page object for main page
+
+```ruby
+$> rails c
+Tramway::Page::Page.create! title: 'Main page', page_type: :main
+```
+
+#### 5. Associate every Tramway::Landing::Block with the main page
+
+```ruby
+$> rails c
+Tramway::Landing::Block.update_all page_id: Tramway::Page::Page.last.id
+```
+
+## Blocks docs
+
 How create blocks you can find here
 
 * [Header](https://github.com/ulmic/tramway-dev/blob/develop/tramway-landing/docs/header/main.md)
+* Header with form
 * [Footer](https://github.com/ulmic/tramway-dev/blob/develop/tramway-landing/docs/footer/main.md)
 * [Block with text and image](https://github.com/ulmic/tramway-dev/blob/develop/tramway-landing/docs/block_with_text_and_image/main.md)
 * [Block with text, image and button](https://github.com/ulmic/tramway-dev/blob/develop/tramway-landing/docs/block_with_text_image_and_button/main.md)
 * [Cards](https://github.com/ulmic/tramway-dev/blob/develop/tramway-landing/docs/cards/main.md)
 * [Features list](https://github.com/ulmic/tramway-dev/blob/develop/tramway-landing/docs/features/main.md)
 * [Contacts](https://github.com/ulmic/tramway-dev/blob/develop/tramway-landing/docs/contacts/main.md)
+* Contacts without map
 * [View](https://github.com/ulmic/tramway-dev/blob/develop/tramway-landing/docs/view/main.md)
 * [Just text](https://github.com/ulmic/tramway-dev/blob/develop/tramway-landing/docs/just_text/main.md)
 * Link to object
 
 ## Contributing