Add live demo link to README and update Open Graph image

Enhance README documentation for vulnerability samples and scanner features

Add mock vulnerabilities

Fix security scan findings

Display raw JSON data

Add raw JSON data display and download functionality to ScanResults component

Add scanning modal and implement auto-redirection on scan completion

Add animated scanning modal

Update recent scan threshold

Add implementation progress documentation for Security Scanner phases

Fix accordion and add titles

Fix: Resolve "toast" not found error

Implement scan history check

Persist scan history

Set default repo and add debug