Examine source code of Remove Link Tracking

{
  "manifest_version": 2,
  "name": "RemoveLinkTracking",
  "version": "1.1.4",
  "description": "Removes tracking parameter in links",
  "homepage_url": "https://github.com/Fload2000/RemoveLinkTracking",
  "permissions": [
    "webRequest",
    "webRequestBlocking",
    "storage",
    "tabs",
    "<all_urls>"
  ],
  "icons": {
    "16": "img/icon16.png",
    "48": "img/icon48.png",
    "64": "img/icon64.png",
    "96": "img/icon96.png"
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "background": {
    "scripts": [
      "util.js",
      "keywords.js",
      "remover.js",
      "background.js"
    ]
  },
  "page_action": {
    "default_icon": "img/icon32.png",
    "browser_style": true
  }
}