Merge pull request #149 from stoplightio/feature/view-history-changes

Add Viewing Changes article

articles/editor/view-history-changes.md

@@ -1 +1,32 @@
+# Viewing Changes
 
+As more users edit files within the same project, tracking changes over time
+becomes increasingly difficult. To mitigate these effects, Stoplight provides the full history of changes, which allows you to view and track any changes made.
+
+To see the history of changes for a project, use the 'History' button on the
+navigation bar to the left of the project window (shown below). When the history
+is being viewed, you will see a series of changes for the project, listed in
+descending order by date.
+
+![](../../assets/images/viewing-changes2.png)
+
+Each change event includes:
+
+* The date when the change was made
+
+* The user who made the change
+
+* The files updated by the change
+
+* The differences (known as the 'diff') between each file before and after the
+  change occurred
+
+See the image below for an overview of the contents of the change view.
+
+![](../../assets/images/viewing-changes.png)
+
+---
+
+**Related**
+
+* [Working with Files](./working-with-files.md)