Examine source code of MyEcoAlert

{
  "manifest_version": 2,
  "name": "MyEcoAlert",
  "version": "1.3.1",
  "description": "Une extension web qui affiche le niveau d'alerte actuel d'EcoWatt. Elle permet d'accéder aux projections des prochains jours.",
  "background": {
    "scripts": [
      "src/pages/background/index.js"
    ]
  },
  "browser_action": {
    "default_popup": "src/pages/popup/index.html",
    "default_icon": {
      "64": "128px.png"
    },
    "default_title": "Content script",
    "browser_style": true
  },
  "permissions": [
    "storage",
    "alarms"
  ],
  "icons": {
    "64": "128px.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{aecbf587-6ae5-4da4-9996-4fe98d57335c}"
    }
  }
}