Examine source code of F-list+

{
  "name": "F-list+",
  "version": "1.0.1",
  "description": "Application to enhance the F-list user experience.",
  "manifest_version": 3,
  "author": "Mariah Crayfish",
  "host_permissions": [
    "*://f-list.net/*"
  ],
  "content_scripts": [
    {
      "matches": [
        "https://www.f-list.net/character_edit.php?id=*"
      ],
      "js": [
        "upload.js",
        "customKinksSetup.js"
      ]
    },
    {
      "matches": [
        "https://www.f-list.net/experimental/subfetish.php?c=*"
      ],
      "js": [
        "kinkAutomationSetUp.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "uploadGallery.js",
        "kinkAutomation.js",
        "customKinks.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "icons": {
    "128": "icon.png"
  },
  "action": {
    "default_title": "Click Me",
    "default_popup": "popup.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "flistplus@mariahcrayfish.com"
    }
  }
}