RK-J

Move learn/videos content to learn/videos-site.

On learn/videos page, replicate content of home page with the following changes:
- Replace "Tame...explosion" with 'Harness the Video Web' [Make "video web" purple]
- Replace "RapidKen.AI reveals...fastest learning." with "RapidKen.AI streamlines learning by identifying complex terms in videos and linking them to the best explanatory videos, making learning 7 times easier." [Make "learning 7 times easier" bold and green.]
- Replace "Learners" with "Learn on YouTube"
- Replace "Publishers" with "Learn on RapidKen"
- Replace "Want to learn effectively" with "Get refresher alongside Youtube video"
- Replace "Want to make...learn?" with "A powerful alternative to browser extension!"
- Replace "Start Learning" with "Get browser extension" and point it to "https://chrome.google.com/webstore/category/extensions?hl=en"
- Replace "Ease Learning" with "Get Started" and point to learn/videos-site.