Examine source code of AOPDC

{
  "name": "AOPDC",
  "manifest_version": 2,
  "version": "1.0",
  "description": "This is complete extenson",
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "js": [
        "main.js"
      ]
    }
  ],
  "icons": {
    "48": "assets/48.png"
  },
  "browser_action": {
    "default_icon": "./assets/48.png",
    "default_title": "AOPDC",
    "default_popup": "./popup/index.html"
  },
  "web_accessible_resources": [
    "assets/48.p,ng"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{c547ff5a-93c4-4615-98a6-208c704b31e1}"
    }
  }
}