docs(guide): fix sidenav to show correct devguide dart sections

public/docs/dart/latest/_data.json

@@ -11,12 +11,12 @@
     "title": "5 Min Quickstart"
   },
 
-  "resources": {
-    "icon": "play-circle-fill",
-    "title": "Angular Resources",
+  "guide": {
+    "icon": "list",
+    "title": "Step By Step Guide",
     "banner": "Angular 2 is currently in Alpha Preview. For AngularDart 1.X resources, visit <a href='https://angulardart.org/'>angulardart.org</a>."
   },
-
+  
   "api": {
     "icon": "book",
     "title": "API Proposal"

public/docs/dart/latest/guide/_data.json

@@ -19,17 +19,4 @@
 
   "talking-to-components": {
     "title": "Talking to Components"
-  },
-
-  "using-forms": {
-    "title": "Using Forms"
-  },
-
-  "transforming-data": {
-    "title": "Transforming data (pipes)"
-  },
-
-  "reusing-components": {
-    "title": "Reusing Components"
-  }
-}
+  }