Enable scrolling on policy pages and align pricing CTAs

[SaravanakumarR2018]

Motivation

• Policy pages lacked a vertical scrollbar on long content, so users could be unable to scroll through the full text.
• Pricing card CTAs were not visually aligned, causing the "Upgrade to Enterprise" button to sit at a different vertical level than "Upgrade to Pro" on larger screens.

Description

• Added overflow-y-auto to the root container of the policy pages in src/frontend/src/pages/TermsOfServicePage/index.tsx, src/frontend/src/pages/PrivacyPolicyPage/index.tsx, and src/frontend/src/pages/RefundPolicyPage/index.tsx to enable vertical scrolling.
• Updated the pricing cards in src/new-landingpage/src/LandingPage.tsx to anchor CTA buttons to the bottom of each card by using mt-auto and wrapping buttons in a div with pt-6, ensuring all CTAs sit on the same line/level.
• Updated src/new-landingpage/package-lock.json after installing dependencies.

Testing

• Ran npm install in src/new-landingpage which completed successfully and produced an updated lockfile.
• Started the dev server with npm run dev, and Vite reported the site ready and serving at the local URL.
• Executed a Playwright script that loaded /new/landingpage/, scrolled to the pricing section, and saved a screenshot confirming the CTA alignment, and the script succeeded in producing the artifact.

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Codex Task