Examine source code of Podcasts - A podcast player and downloader

{
  "name": "__MSG_appName__",
  "description": "__MSG_appDesc__",
  "version": "3.2.0",
  "manifest_version": 2,
  "default_locale": "en",
  "icons": {
    "16": "icons/icon_16.png",
    "32": "icons/icon_32.png",
    "48": "icons/icon_48.png",
    "64": "icons/icon_64.png",
    "128": "icons/icon_128.png"
  },
  "permissions": [
    "storage",
    "http://*/*",
    "https://*/*"
  ],
  "optional_permissions": [
    "downloads"
  ],
  "browser_action": {
    "default_title": "Podcasts",
    "default_popup": "popup/popup.html",
    "default_icon": {
      "16": "icons/icon_16.png",
      "32": "icons/icon_32.png",
      "48": "icons/icon_48.png",
      "64": "icons/icon_64.png",
      "128": "icons/icon_128.png"
    },
    "theme_icons": [
      {
        "dark": "icons/icon_16.png",
        "light": "icons/icon_dark_16.png",
        "size": 16
      },
      {
        "dark": "icons/icon_32.png",
        "light": "icons/icon_dark_32.png",
        "size": 32
      },
      {
        "dark": "icons/icon_48.png",
        "light": "icons/icon_dark_48.png",
        "size": 48
      },
      {
        "dark": "icons/icon_64.png",
        "light": "icons/icon_dark_64.png",
        "size": 64
      },
      {
        "dark": "icons/icon_128.png",
        "light": "icons/icon_dark_128.png",
        "size": 128
      }
    ]
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "options_ui": {
    "page": "options/options.html",
    "open_in_tab": true
  },
  "content_scripts": [
    {
      "matches": [
        "https://share.bluepill.life/*"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "browser_specific_settings": {
    "gecko": {
      "id": "tqtifnypmb@gmail.com"
    }
  }
}