Examine source code of Control - Website Blocker

{
  "author": "Guy Tepper",
  "description": "Control your surfing habits.",
  "name": "Control",
  "version": "0.3.1",
  "content_scripts": [
    {
      "js": [
        "src/entries/contentScript/primary/main.js"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "icons": {
    "16": "app-icon/16.png",
    "38": "app-icon/38.png",
    "48": "app-icon/48.png",
    "96": "app-icon/96.png",
    "512": "app-icon/512.png"
  },
  "options_ui": {
    "page": "src/entries/options/index.html",
    "open_in_tab": true,
    "chrome_style": false
  },
  "permissions": [
    "storage",
    "webRequest",
    "alarms",
    "unlimitedStorage",
    "webNavigation",
    "*://*/*",
    "<all_urls>"
  ],
  "applications": {
    "gecko": {
      "id": "controlsurf@extension"
    }
  },
  "background": {
    "persistent": true,
    "page": "background.html"
  },
  "browser_action": {
    "default_icon": {
      "16": "app-icon/16.png",
      "38": "app-icon/38.png",
      "48": "app-icon/48.png",
      "96": "app-icon/96.png"
    },
    "default_popup": "src/entries/popup/index.html"
  },
  "manifest_version": 2,
  "web_accessible_resources": [
    "assets/Button-7b761fe9.css",
    "assets/RaisedButton-37eb7aa6.css",
    "assets/RaisedButton-e81c0af3.js",
    "assets/allow-list.storage-5c80fcf7.js",
    "assets/browser-polyfill-f2ed8fc3.js",
    "assets/dna-da8b4442.svg",
    "assets/friends-c75815e3.png",
    "assets/hammer-71dc71aa.svg",
    "assets/head.styles-2d999662.js",
    "assets/index-a923b63f.js",
    "assets/info-d5f1f371.svg",
    "assets/main-5d55286c.css",
    "assets/session-items-ebce9856.css",
    "assets/session-items.storage-ae236b9c.js",
    "assets/space-grotesk-latin-400-normal-14a1ac5f.woff2",
    "assets/space-grotesk-latin-500-normal-2a0e8281.woff2",
    "assets/space-grotesk-latin-600-normal-c90ecb68.woff2",
    "assets/space-grotesk-latin-700-normal-8db5469d.woff2",
    "assets/src/entries/contentScript/primary/main-37f3475b.js",
    "src/lib/pages/new-session/index.html"
  ]
}