Examine source code of IPFS Companion

{
  "manifest_version": 3,
  "name": "__MSG_manifest_extensionName__",
  "short_name": "__MSG_manifest_shortExtensionName__",
  "version": "3.3.0",
  "description": "__MSG_manifest_extensionDescription__",
  "homepage_url": "https://github.com/ipfs/ipfs-companion",
  "author": "IPFS Community",
  "icons": {
    "19": "icons/png/ipfs-logo-on_19.png",
    "38": "icons/png/ipfs-logo-on_38.png",
    "128": "icons/png/ipfs-logo-on_128.png"
  },
  "action": {
    "default_icon": {
      "19": "icons/png/ipfs-logo-off_19.png",
      "38": "icons/png/ipfs-logo-off_38.png",
      "128": "icons/png/ipfs-logo-off_128.png"
    },
    "default_title": "__MSG_browserAction_title__",
    "default_popup": "dist/popup/browser-action/index.html",
    "browser_style": false
  },
  "options_ui": {
    "open_in_tab": true,
    "browser_style": false,
    "page": "dist/options/options.html"
  },
  "host_permissions": [
    "<all_urls>"
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "icons/png/ipfs-logo-off_19.png",
        "icons/png/ipfs-logo-off_38.png",
        "icons/png/ipfs-logo-off_128.png",
        "icons/ipfs-logo-on.svg",
        "icons/ipfs-logo-off.svg",
        "dist/recovery/recovery.css",
        "dist/recovery/recovery.html",
        "dist/recovery/recovery.js"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'; frame-src 'self';"
  },
  "default_locale": "en",
  "background": {
    "scripts": [
      "dist/bundles/backgroundPage.firefox.bundle.js"
    ]
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "ipfs-firefox-addon@lidel.org",
      "strict_min_version": "111.0"
    }
  },
  "permissions": [
    "alarms",
    "idle",
    "tabs",
    "notifications",
    "proxy",
    "storage",
    "unlimitedStorage",
    "contextMenus",
    "clipboardWrite",
    "webNavigation",
    "webRequest",
    "webRequestBlocking"
  ],
  "content_scripts": [],
  "protocol_handlers": [
    {
      "protocol": "web+dweb",
      "name": "IPFS Companion: DWEB Protocol Handler",
      "uriTemplate": "https://dweb.link/ipfs/?uri=%s"
    },
    {
      "protocol": "web+ipns",
      "name": "IPFS Companion: IPNS Protocol Handler",
      "uriTemplate": "https://dweb.link/ipns/?uri=%s"
    },
    {
      "protocol": "web+ipfs",
      "name": "IPFS Companion: IPFS Protocol Handler",
      "uriTemplate": "https://dweb.link/ipfs/?uri=%s"
    },
    {
      "protocol": "dweb",
      "name": "IPFS Companion: DWEB Protocol Handler",
      "uriTemplate": "https://dweb.link/ipfs/?uri=%s"
    },
    {
      "protocol": "ipns",
      "name": "IPFS Companion: IPNS Protocol Handler",
      "uriTemplate": "https://dweb.link/ipns/?uri=%s"
    },
    {
      "protocol": "ipfs",
      "name": "IPFS Companion: IPFS Protocol Handler",
      "uriTemplate": "https://dweb.link/ipfs/?uri=%s"
    }
  ]
}