Examine source code of Miguelify

{
  "manifest_version": 2,
  "name": "Miguelify",
  "version": "1.1resigned1",
  "description": "Soyez envahi par Miguel et son met favoris!",
  "icons": {
    "48": "imgs/icon48.png"
  },
  "permissions": [
    "activeTab"
  ],
  "browser_action": {
    "default_icon": "imgs/mig.png",
    "default_title": "Miguelify",
    "default_popup": "index.html"
  },
  "web_accessible_resources": [
    "imgs/a.png",
    "imgs/b.png",
    "imgs/c.png",
    "imgs/d.png",
    "imgs/e.png",
    "imgs/f.png",
    "imgs/g.png",
    "imgs/h.png",
    "imgs/i.png",
    "imgs/j.png",
    "imgs/k.png",
    "imgs/l.png",
    "imgs/m.png",
    "imgs/n.png",
    "imgs/o.png",
    "imgs/p.png",
    "imgs/q.png",
    "imgs/r.png",
    "imgs/s.png",
    "imgs/t.png",
    "imgs/u.png",
    "imgs/v.png",
    "imgs/w.png",
    "imgs/x.png",
    "imgs/y.png",
    "imgs/z.png",
    "imgs/0.png",
    "imgs/1.png",
    "imgs/2.png",
    "imgs/3.png",
    "imgs/4.png",
    "imgs/5.png",
    "imgs/6.png",
    "imgs/7.png",
    "imgs/8.png",
    "imgs/9.png",
    "imgs/,.png",
    "imgs/!.png",
    "imgs/..png",
    "imgs/,.png",
    "imgs/!.png",
    "imgs/point.png",
    "imgs/apos.png",
    "imgs/space.png",
    "imgs/cedille.png",
    "imgs/interro.png",
    "imgs/mig.png"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{b7388abf-fa8f-46b2-9576-3da434f0ea80}"
    }
  }
}