Cahnged the structure of using variables in markdown

Author: tedpalmer1

docs/release-notes/rn-whats-new.md

@@ -1,5 +1,12 @@
+import variables from '/variables.js';
+const {productName, exampleVariable} = variables
+
+<p>{productName}</p>
+<p>{exampleVariable}</p>
+
 # Overview
 
+
 New features and improvements that have been added to Replicated are documented on a per component basis in the corresponding release notes section. Component updates may be released at any time following a continuous delivery model.
 
 For a comprehensive overview of recent new features, check out the monthly [Replicated Release Highlights blog](https://www.replicated.com/blog/tag/replicated%20release%20highlights/). 

docusaurus.config.js

@@ -17,6 +17,7 @@ const config = {
   projectName: 'replicated-docs', // Usually your repo name.
   customFields: {
     productName: 'Replicated',
+    testVariable: 'Test'
   },
 
   presets: [

variables.js

@@ -0,0 +1,8 @@
+
+const variables = {
+    productName: 'Replicated',
+    exampleVariable: 'Example'
+};
+
+module.exports = variables;
+