Examine source code of imood++

{
  "manifest_version": 3,
  "name": "imood++",
  "version": "1.2.1",
  "description": "improves the imood frontend in different ways",
  "content_scripts": [
    {
      "matches": [
        "*://www.imood.com/forums/*/threads/*"
      ],
      "js": [
        "import-forum.js"
      ],
      "css": [
        "im-style.css"
      ]
    },
    {
      "matches": [
        "*://www.imood.com/history",
        "*://www.imood.com/imood"
      ],
      "js": [
        "import-moodchart.js"
      ],
      "css": [
        "im-style.css"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png",
    "256": "icons/icon256.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "imood-plusplus@roxwize.xyz"
    }
  },
  "web_accessible_resources": [
    {
      "resources": [
        "chunks/*-*.js",
        "forum.js",
        "moodchart.js"
      ],
      "matches": [
        "*://www.imood.com/*"
      ]
    }
  ]
}