Add witness page

[noisy]

new modules:

• witness (based on package)
• witnesslog (based on timeline)

What to change in a view of project:

project name -> witness name

project category -> network (hardcoded: "testnet")
// project status -> witness status ()

contact -> contact
Description -> about witness

new: Hardware specification
new -> Projects

Gallery -> location (with google map)

Timeline -> Witness Log:

• event name -> log title