Examine source code of Stackovershits

{
  "manifest_version": 2,
  "version": "1.1",
  "name": "Stackovershits",
  "description": "Google search cleaner for shitty stackoverflow clones",
  "author": "Yarfuo <yarfuo@gmail.com>",
  "permissions": [
    "https://www.google.com/search?*"
  ],
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "include_globs": [
        "*://*.google.*/search?*"
      ],
      "js": [
        "block.js"
      ],
      "run_at": "document_end"
    }
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  }
}