Merge pull request #59 from edwilde/patch-1

Add example populate migration

docs/en/linkable-migration.md

@@ -73,6 +73,59 @@ If you use the populate module, you will not be able to simply "replace" the nam
 new Linkfield module are quite different. There are entirely different models for different link types, whereas before
 it was just a DB field to specify the type.
 
+See below for example before/after usage:
+
+#### Before
+
+```yml
+Sheadawson\Linkable\Models\Link:
+  internal:
+    Title: Internal link
+    Type: SiteTree
+    SiteTreeID: 1
+  external:
+    Title: External link
+    Type: URL
+    URL: https://example.org
+  file:
+    Title: File link
+    Type: File
+    File: =>SilverStripe\Assets\File.example
+  phone:
+    Title: Phone link
+    Type: Phone
+    Phone: +64 1 234 567
+  email:
+    Title: Email link
+    Type: Email
+    Email: [email protected]
+```
+    
+#### After
+
+```yml
+SilverStripe\LinkField\Models\SiteTreeLink:
+  internal:
+    Title: Internal link
+    Page: =>Page.home
+SilverStripe\LinkField\Models\ExternalLink:
+  external:
+    Title: External link
+    ExternalUrl: https://example.org
+SilverStripe\LinkField\Models\FileLink:
+  file:
+    Title: File link
+    File: =>SilverStripe\Assets\File.example
+SilverStripe\LinkField\Models\PhoneLink:
+  phone:
+    Title: Phone link
+    Phone: +64 1 234 567
+SilverStripe\LinkField\Models\EmailLink:
+  email:
+    Title: Email link
+    Email: [email protected]
+```
+
 ## Replace template usages
 
 Before: You might have had references to `$LinkURL` or `$Link.LinkURL`.