Update pages.yml (ember-learn#459)

If merged into the octane branch, this PR resolves issue ember-learn#393 by re-ordering the table of contents (as outlined in RFC 431).

guides/release/pages.yml

@@ -1,63 +1,16 @@
-- title: Guides and Tutorials
-  url: index
-  skip_toc: true
-  pages:
-    - title: Ember.js Guides
-      url: ''
-- title: Getting Started
-  url: getting-started
+- title: "What Is Ember"
+  url: "what-is-ember"
+- title: "Getting Started"
+  url: 'getting-started'
   pages:
     - title: "Quick Start"
       url: "quick-start"
     - title: "Installing Ember"
       url: "index"
     - title: "Core Concepts"
       url: "core-concepts"
-
-- title: "Tutorial"
-  url: 'tutorial'
-  pages:
-    - title: Creating Your App
-      url: index
-    - title: Planning Your App
-      url: acceptance-test
-    - title: Routes and Templates
-      url: routes-and-templates
-    - title: The Model Hook
-      url: model-hook
-    - title: Installing Addons
-      url: installing-addons
-    - title: Building a Simple Component
-      url: simple-component
-    - title: Creating a Template Helper
-      url: hbs-helper
-    - title: Using Ember Data
-      url: ember-data
-    - title: Building a Complex Component
-      url: autocomplete-component
-    - title: Services
-      url: service
-    - title: Adding Nested Routes
-      url: subroutes
-    - title: Deploying
-      url: deploying
-- title: The Object Model
-  url: object-model
-  pages:
-    - title: "Objects in Ember"
-      url: "index"
-    - title: "Computed Properties"
-      url: "computed-properties"
-    - title: "Computed Properties and Aggregate Data"
-      url: "computed-properties-and-aggregate-data"
-    - title: "Observers"
-      url: "observers"
-      isAdvanced: true
-    - title: Bindings
-      url: bindings
-      isAdvanced: true
-    - title: "Enumerables"
-      url: 'enumerables'
+- title: "Anatomy of an App"
+  url: "anatomy-of-an-app"
 
 - title: "Templating"
   url: 'templates'
@@ -86,7 +39,6 @@
     - title: "Writing Helpers"
       url: "writing-helpers"
       isAdvanced: true
-
 - title: "Working with JavaScript"
   url: 'working-with-javascript'
   pages:
@@ -98,7 +50,6 @@
       url: "classic-classes"
     - title: "Native vs. Classic Class Cheatsheet"
       url: "native-vs-classic-class-cheatsheet"
-
 - title: "Components"
   url: 'components'
   pages:
@@ -113,18 +64,12 @@
     - title: Customizing a Component's Element
       url: customizing-a-components-element
       isAdvanced: true
-    - title: Using Block Params
-      url: block-params
-    - title: Handling Events
-      url: handling-events
-    - title: Triggering Changes with Actions
-      url: triggering-changes-with-actions
-- title: Controllers
-  url: controllers
-  pages:
-    - title: "Introduction"
-      url: "index"
-
+    - title: "Using Block Params"
+      url: "block-params"
+    - title: "Handling Events"
+      url: "handling-events"
+    - title: "Triggering Changes with Actions"
+      url: "triggering-changes-with-actions"
 - title: "Routing"
   url: 'routing'
   pages:
@@ -149,7 +94,14 @@
     - title: "Asynchronous Routing"
       url: "asynchronous-routing"
       isAdvanced: true
-
+    - title: "Controllers"
+      url: 'controllers'
+- title: "State Management"
+  url: 'state-management'
+- title: "Services"
+  url: 'services'
+- title: 'Data Management'
+  url: 'data-management'
 - title: "Ember Data"
   url: 'models'
   pages:
@@ -174,13 +126,11 @@
     - title: Asynchronous Routing
       url: asynchronous-routing
       isAdvanced: true
-
 - title: "Addons and Dependencies"
   url: "addons-and-dependencies"
   pages:
     - title: "Managing Dependencies"
       url: "managing-dependencies"
-
 - title: "Testing"
   url: 'testing'
   pages:
@@ -200,7 +150,6 @@
       url: "testing-routes"
     - title: "Testing Models"
       url: "testing-models"
-
 - title: "Configuration"
   url: 'configuring-ember'
   pages:
@@ -226,26 +175,16 @@
       url: "build-targets"
     - title: "Debugging"
       url: "debugging"
-
-- title: "Application Concerns"
-  url: 'applications'
-  pages:
-    - title: "Applications and Instances"
-      url: "applications-and-instances"
-      isAdvanced: true
-    - title: "Dependency Injection"
-      url: "dependency-injection"
-      isAdvanced: true
-    - title: "Initializers"
-      url: "initializers"
-      isAdvanced: true
-    - title: "Services"
-      url: "services"
-    - title: "The Run Loop"
-      url: "run-loop"
-      isAdvanced: true
-
-- title: "Ember Inspector"
+- title: "Deploying"
+  url: 'deploying'
+- title: "Upgrading"
+  url: 'upgrading'
+  pages:
+    - title: "Editions"
+    - url: 'editions'
+    - title: "Deprecations"
+    - url: 'deprecations'
+- title: "Developer Tools"
   url: "ember-inspector"
   pages:
     - title: "Introduction"
@@ -274,22 +213,15 @@
       url: "render-performance"
     - title: "Troubleshooting"
       url: "troubleshooting"
+- title: 'Reference'
+  url: 'reference'
+  pages:
+    - title: "Syntax Conversion Guide"
+      url: "syntax-conversion-guide"
+    - title: "Accessibility"
+      url: 'accessibility'
+    - title: "Web Development Glossary"
+      url: "web-development"
+    - title: "Contributing to Ember.js"
+      url: 'contributing'
 
-- title: "Contributing to Ember.js"
-  url: 'contributing'
-  isAdvanced: true
-  pages:
-    - title: Adding New Features
-      url: index
-    - title: Repositories
-      url: repositories
-- title: Glossary
-  url: glossary
-  pages:
-    - title: Web Development
-      url: index
-- title: Reference
-  url: reference
-  pages:
-    - title: Syntax Conversion Guide
-      url: index