Fixed readme for configuration and package updates

Author: ChiragRupani

README.md

@@ -16,7 +16,7 @@ Install the package as dev-dependency
 npm i -D @chiragrupani/karma-chromium-edge-launcher
 ```
 
-# Configuration
+## Configuration
 
 Update `Karma.conf.js` replace or append to array of browsers and add require plugin as below:
 

azure-pipelines.yml

@@ -12,8 +12,8 @@ pool:
 steps:
   - task: NodeTool@0
     inputs:
-      versionSpec: '12.x'
-    displayName: 'Install Node.js 12'
+      versionSpec: '14.x'
+    displayName: 'Install Node.js 14'
 
   - script: |
       npm install --progress=false --loglevel=error --no-fund