Overall website updates

[oreHGA]

• [x] add Privacy policy page link to notion
• [ ] add the dynamic page titles & basic SEO (og:title etc)
• [ ] screenshot of the app in the center similar to neurosity
• [ ] add "start neuro recording" to the landing page
• [ ] change logos under the integration section (add apple health & google fit)
• [ ] Include pioneer questions & responses in FAQs

[oreHGA]

• [ ] Include about section