Github#7 - value page redesign

- initial design
- Add collapsible panel for more resources
- Increase jumbotron h1 font size and weight
- Add blur to jumbotron h1
- Update banner image X 3
- Add some known links
- Update banner new

Signed-off-by: Martin Lowe <martin.lowe@eclipse-foundation.org>
Signed-off-by: Yi Liu <yi.liu@eclipse-foundation.org>
Change-Id: I2732d9ee649cba3ef870c86644a25b11fbf3c1f5
19 files changed