Examine source code of Auto Resume Media

{
  "manifest_version": 2,
  "name": "Auto Resume Media",
  "description": "Automatically resumes paused video and audio playback in Firefox. Features per-tab control, visual status indicators, and a context menu showing all active tabs. Perfect for preventing accidental pauses during media consumption.",
  "version": "1.3.0",
  "permissions": [
    "storage",
    "contextMenus",
    "tabs"
  ],
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "browser_action": {
    "default_title": "Toggle Auto Resume Media - Click to enable/disable automatic media resumption for this tab",
    "default_icon": {
      "16": "icons/play-enabled-16.png",
      "32": "icons/play-enabled-32.png",
      "48": "icons/play-enabled-48.png",
      "128": "icons/play-enabled.png"
    }
  },
  "options_ui": {
    "page": "options/options.html"
  },
  "icons": {
    "16": "icons/play-enabled-16.png",
    "32": "icons/play-enabled-32.png",
    "48": "icons/play-enabled-48.png",
    "128": "icons/play-enabled.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content_script.js"
      ],
      "run_at": "document_idle"
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{7a377f6e-6cf2-4877-9388-50550ab32038}",
      "strict_min_version": "126.0"
    }
  }
}