The app can now post formatted data to the backend
- Small tweak in routing response
- Removed old place-holders
- Added AJAX data-posting

Signed-off-by: Soumya Deb <debloper@gmail.com>
Read events from the database
- Restructured event creation payload
- data.json only provides the wrapper content
- /events route fetches the list, merges & sends JSON

Signed-off-by: Soumya Deb <debloper@gmail.com>