Examine source code of Reddactit

{
  "name": "Reddactit",
  "version": "1.4.3resigned1",
  "description": "Username redactor for reddit with color coding for easy reading",
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "templogo.png"
  },
  "permissions": [
    "activeTab",
    "contextMenus",
    "*://*.reddit.com/*"
  ],
  "manifest_version": 2,
  "browser_specific_settings": {
    "gecko": {
      "id": "{01308dcd-da4e-4a60-bf36-30b3beb9e2a1}"
    }
  }
}