Add list of main contributors to LYSA.
Add a more detailed list of contacts.
Add pharpend's website.
Add notice pointing out that the contributors are also operators on our channel. [ci-skip]
Merge pull request #25 from wei2912/roles

Add list of main contributors to LYSA.

If this fails, I am going to yell at @wei2912
Merge branch 'develop' of github.com:learnmath/lysa into develop
Merge branch 'develop' into f/peano
Merge branch 'f/peano' of ssh://github.com/pharpend/lysa into f/peano