update license file and change update sidebar buy now link

[ct-dixit]

Commit Checklist

• Remove UNUSED comment code
• Remove any logging like console.log
• Remove all warnings and errors while build
• Check vulnerabilities
• Make sure build for production is working. Try running command for prod build in local.
• Fix prettier: npx prettier --write .
• Fix eslint: npx eslint src\ --fix command
• Push package.lock only if you used npm, push yarn.lock only if you used yarn. NPM will udpate both lock file so make sure you dont push yarn.lock updated by NPM
• WCAG

General

• Follow import structure. module/third-party/files/component/style/types/asset
• Try to use theme for design like palette, typography, variant, components, etc. (don't use custom color code anyhow)
• Before adding custom style follow our pre-built components/elements