Examine source code of Post to Abarjigay

{
  "manifest_version": 2,
  "name": "Post to Abarjigay",
  "version": "1.5resigned1",
  "applications": {
    "gecko": {
      "id": "mesba@bytefact.com",
      "strict_min_version": "48.0"
    }
  },
  "description": "Abarjigay is the largest platform in Bangladesh for fun.",
  "homepage_url": "http://abarjigay.com",
  "icons": {
    "48": "icons/icon-48.png",
    "96": "icons/icon-96.png"
  },
  "permissions": [
    "activeTab",
    "storage",
    "https://abarjigay.com/"
  ],
  "browser_action": {
    "default_icon": "icons/icon-48.png",
    "default_title": "Post to Abarjigay",
    "default_popup": "popup/login_helper.html"
  },
  "web_accessible_resources": [
    "imgPin.css",
    "post_to_abarjigay.css",
    "pin_it_button.png",
    "click.html",
    "posting.js",
    "successful.html",
    "failed.html"
  ],
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "jquery.min.js",
        "post_to_abarjigay.js",
        "fb_login.js"
      ]
    }
  ]
}