Examine source code of bones-rsa

{
  "manifest_version": 2,
  "name": "Bones",
  "version": "1.0.0",
  "description": "End to end, chat RSA encryption utility",
  "homepage_url": "https://github.com/ArguelBenoit/BONES",
  "permissions": [
    "activeTab",
    "storage",
    "tabs"
  ],
  "icons": {
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "browser_action": {
    "default_icon": "icons/icon-96.png",
    "default_popup": "popup.html",
    "default_title": "Bones"
  },
  "background": {
    "scripts": [
      "js/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "js/content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{cf6bb9dd-0cdf-4ff3-9033-0d75ee59759d}"
    }
  }
}