[FIXED] [#49] Renamed file properly based on code review #68 (review)

Author: hossain-khan

app/src/main/java/com/hossainkhan/android/demo/data/LayoutDataStore.kt

@@ -119,8 +119,8 @@ class LayoutDataStore @Inject constructor(
                             "* The dimension should be set to MATCH_CONSTRAINT (0dp)\n" +
                             "* Then set the `layout_constraintWidth_percent` or `layout_constraintHeight_percent` attributes to a value between 0.0 and 1.0"),
             LayoutInformation(
-                    layoutResourceId = R.layout.preview_visual_helper_guideline,
-                    thumbnailResourceId = R.drawable.thumb_visual_helper_guideline,
+                    layoutResourceId = R.layout.preview_virtual_helper_guideline,
+                    thumbnailResourceId = R.drawable.thumb_virtual_helper_guideline,
                     title = "Virtual Helper: Guideline",
                     description = "The Guideline object allows you to create Horizontal and Vertical guidelines which " +
                             "are positioned relative to the ConstraintLayout container." +

app/src/main/res/drawable/thumb_visual_helper_guideline.xml renamed to app/src/main/res/drawable/thumb_virtual_helper_guideline.xml

@@ -28,7 +28,7 @@ Each layout must also be named based on sub features. Use following convention t
   * Prefix: **`_TBD_`** | Chain Style
   * Prefix: **`_TBD_`** | Weighted chains
   * Prefix: **`_TBD_`** | Margins and chains _(Added in 1.1)_
-- Prefix: **`_visual_helper_`** | Virtual Helpers objects
+- Prefix: **`_virtual_helper_`** | Virtual Helpers objects
   * Prefix: **`_guideline_`** | Guideline
   * Prefix: **`_barrier_`** | Barrier
   * Prefix: **`_group_`** | Group