enhancement: Improve SEO and Open Graph metadata

[O2sa]

The application currently lacks comprehensive SEO metadata. We should enhance the SEO by adding dynamic metadata, Open Graph (OG) tags, and Twitter cards to improve link sharing and search engine visibility.

Tasks

• Update app/layout.tsx to include a robust Metadata object with a detailed description, keywords, and Open Graph properties.
• Add a default twitter:card configuration.
• Make sure the title template supports dynamic page titles if needed.

Tip

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