Examine source code of Solve Or Suffer

{
  "manifest_version": 3,
  "name": "Solve Or Suffer",
  "version": "1.4",
  "description": "Forces you to solve a random coding problem (LeetCode/GeeksForGeeks) twice a day by locking your browser.",
  "browser_specific_settings": {
    "gecko": {
      "id": "solve-or-suffer@addon",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "permissions": [
    "storage",
    "alarms",
    "webNavigation",
    "tabs"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_popup": "popup/popup.html",
    "default_icon": "logos/logoclean.png"
  },
  "icons": {
    "16": "logos/16logoclean.png",
    "48": "logos/48logoclean.png",
    "128": "logos/128logoclean.png"
  },
  "content_scripts": [
    {
      "matches": [
        "*://leetcode.com/*",
        "*://www.leetcode.com/*",
        "*://geeksforgeeks.org/problems/*",
        "*://www.geeksforgeeks.org/problems/*"
      ],
      "css": [
        "content/content.css"
      ],
      "js": [
        "content/content.js"
      ]
    }
  ]
}