Examine source code of Adblock Nepal

{
  "manifest_version": 2,
  "name": "Adblock Nepal",
  "version": "0.1.0",
  "description": "Remove annoying ads from some Nepali websites.",
  "icons": {
    "16": "img/icon-16.png",
    "32": "img/icon-32.png",
    "48": "img/icon-48.png",
    "64": "img/icon-64.png",
    "96": "img/icon-96.png",
    "128": "img/icon-128.png"
  },
  "permissions": [
    "activeTab",
    "tabs",
    "webNavigation"
  ],
  "background": {
    "scripts": [
      "src/background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.ekantipur.com/*"
      ],
      "js": [
        "src/content_scripts/ekantipur.js"
      ]
    },
    {
      "matches": [
        "*://*.onlinekhabar.com/*"
      ],
      "js": [
        "src/content_scripts/onlinekhabar.js"
      ]
    },
    {
      "matches": [
        "*://*.gadgetbytenepal.com/*"
      ],
      "js": [
        "src/content_scripts/gadgetbytenepal.js"
      ]
    },
    {
      "matches": [
        "*://*.techpana.com/*"
      ],
      "js": [
        "src/content_scripts/techpana.js"
      ]
    },
    {
      "matches": [
        "*://*.annapurnapost.com/*"
      ],
      "js": [
        "src/content_scripts/annapurnapost.js"
      ]
    }
  ],
  "browser_action": {
    "browser_style": true,
    "default_icon": {
      "16": "img/icon-16.png",
      "32": "img/icon-32.png",
      "48": "img/icon-48.png",
      "64": "img/icon-64.png",
      "96": "img/icon-96.png",
      "128": "img/icon-128.png"
    },
    "default_title": "Adblock Nepal",
    "default_popup": "src/popup/index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "{859f4633-42be-468f-a2be-194ef5b1c570}"
    }
  }
}