Examine source code of CurseForge Web Companion

{
  "manifest_version": 2,
  "name": "CurseForge Web Companion",
  "version": "1.0",
  "description": "A helper tool for viewing mod info on CurseForge.",
  "permissions": [
    "tabs",
    "activeTab",
    "https://www.curseforge.com/*"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_icon": "icon.png",
    "default_popup": "popup.html",
    "default_title": "CurseForge Info"
  },
  "content_scripts": [
    {
      "matches": [
        "https://www.curseforge.com/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{79c78bd8-c923-49bf-8395-9d6aaebf1782}"
    }
  }
}