Autoplay Settings for YouTube Firefox

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manifest.json
{
  "manifest_version": 2,
  "name": "__MSG_extensionName__",
  "description": "__MSG_extensionDescription__",
  "version": "3.1.0",
  "author": "Armin Sebastian",
  "homepage_url": "https://github.com/dessant/youtube-autoplay",
  "default_locale": "en",
  "browser_specific_settings": {
    "gecko": {
      "id": "{14e605a0-6fdd-43e9-891a-29f6e481db24}",
      "strict_min_version": "115.0"
    }
  },
  "permissions": [
    "storage",
    "tabs",
    "scripting",
    "*://*.youtube.com/*"
  ],
  "content_security_policy": "default-src 'self'; style-src 'self' 'unsafe-inline'; img-src * data:; connect-src *; object-src 'none'; media-src 'none'; child-src 'none'; form-action 'none'; upgrade-insecure-requests;",
  "icons": {
    "16": "src/assets/icons/app/icon-16.png",
    "19": "src/assets/icons/app/icon-19.png",
    "24": "src/assets/icons/app/icon-24.png",
    "32": "src/assets/icons/app/icon-32.png",
    "38": "src/assets/icons/app/icon-38.png",
    "48": "src/assets/icons/app/icon-48.png",
    "64": "src/assets/icons/app/icon-64.png",
    "96": "src/assets/icons/app/icon-96.png",
    "128": "src/assets/icons/app/icon-128.png"
  },
  "browser_action": {
    "default_icon": {
      "16": "src/assets/icons/app/icon-16.png",
      "19": "src/assets/icons/app/icon-19.png",
      "24": "src/assets/icons/app/icon-24.png",
      "32": "src/assets/icons/app/icon-32.png",
      "38": "src/assets/icons/app/icon-38.png",
      "48": "src/assets/icons/app/icon-48.png",
      "64": "src/assets/icons/app/icon-64.png",
      "96": "src/assets/icons/app/icon-96.png",
      "128": "src/assets/icons/app/icon-128.png"
    }
  },
  "options_ui": {
    "page": "src/options/index.html",
    "browser_style": false,
    "open_in_tab": true
  },
  "background": {
    "page": "src/background/index.html"
  },
  "content_scripts": [
    {
      "matches": [
        "*://www.youtube.com/*"
      ],
      "all_frames": false,
      "run_at": "document_start",
      "js": [
        "src/base/script.js"
      ]
    }
  ]
}

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