adding ordered list for the subheading of git branch purposed

Author: Tobias-Amaechina

Wireframe/index.html

@@ -101,7 +101,18 @@ <h2> What Is a Git Branch?</h2>
         <p>
           In Git, a <em>branch</em> is like a separate workspace 
           where you can make changes and try new ideas without affecting the main project. 
-          Think of it as a "parallel universe" for your code.</p>
+          Think of it as a "parallel universe" for your code.The purpose of a Git branch is as highlisted below.</p>
+          <ol>
+              <li>Isolate Work.</li>
+              
+              <li>Enable Collaboration.</li>  
+              
+              <li>Experiment Safely.</li>
+              
+              <li>Simplify Version Control.</li>
+              <li>Facilitate Code Reviews.</li>
+              
+            </ol>
 
         </article>