Examine source code of Squirrelisms

{
  "manifest_version": 3,
  "name": "Squirrelisms",
  "version": "0.0.1",
  "description": "An app which displays random squirrelisms from various sources",
  "options_ui": {
    "page": "src/pages/options/index.html"
  },
  "background": {
    "scripts": [
      "src/pages/background/index.js"
    ],
    "type": "module"
  },
  "action": {
    "default_popup": "src/pages/popup/index.html",
    "default_icon": "icon-34.png"
  },
  "chrome_url_overrides": {
    "newtab": "src/pages/newtab/index.html"
  },
  "icons": {
    "128": "icon-128.png"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.bennyquotes.com/"
      ],
      "js": [
        "src/pages/content/index.js"
      ],
      "css": [
        "assets/css/contentStyle16848460479.chunk.css"
      ]
    }
  ],
  "devtools_page": "src/pages/devtools/index.html",
  "web_accessible_resources": [
    {
      "resources": [
        "assets/js/*.js",
        "assets/css/*.css",
        "icon-128.png",
        "icon-34.png"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "bennyelventytwo@gmail.com",
      "strict_min_version": "42.0"
    }
  }
}