fix(app): display between markdown/html <-> graph

fix(app): cleaning + null select on timeline

feat(app): eslint

feat(app): GA tracker

feat(app): change screenshot

fix(app): header flex-shrink

feat(app): icon

feat(app): focus on last 2 years

fix(app): disable SW / WIP

fix(app): github repo link

fix(app): markdown parsing info message in a static banner

Cleaning

fix(app): SW js / css strategy

feat(app): es6 build + design fixes

fix(app)