Examine source code of Selection, traduction

{
  "manifest_version": 2,
  "name": "Selection, traduction",
  "version": "0.12resigned1",
  "description": "selectionne & traduit",
  "homepage_url": "https://github.com/tramber30/select_trad_fire",
  "background": {
    "scripts": [
      "select_trad.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "send_selection.js"
      ]
    }
  ],
  "permissions": [
    "contextMenus",
    "activeTab",
    "tabs"
  ],
  "icons": {
    "48": "picture/icon_48.png",
    "64": "picture/icon_64.png",
    "96": "picture/icon_96.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{c37578de-a342-45ef-bf64-b175a5efda3d}"
    }
  }
}