1008844: Angular getting started revamp in hotfix#2261

AnanthaGokulaRaman merged 2 commits intohotfix/hotfix-v31.2.2syncfusion-content/document-processing-docs:hotfix/hotfix-v31.2.2from

EJ2-1008844-validate-ang-hfsyncfusion-content/document-processing-docs:EJ2-1008844-validate-ang-hfCopy head branch name to clipboard