Examine source code of Vue Telescope

{
  "name": "Vue Telescope",
  "description": "Discover Vue.js Websites",
  "version": "1.9.0",
  "manifest_version": 2,
  "icons": {
    "16": "icons/icon-16.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "content_scripts": [
    {
      "run_at": "document_start",
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "16": "icons/icon-grey-16.png",
      "48": "icons/icon-grey-48.png",
      "128": "icons/icon-grey-128.png"
    },
    "default_title": "Vue Telescope",
    "default_popup": "popup/popup.html"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "permissions": [
    "https://*/*",
    "storage"
  ],
  "content_security_policy": "script-src 'self'; object-src 'self'",
  "web_accessible_resources": [
    "injected.js"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{5f7d34a0-81f6-4cda-af10-92514b58d2d2}"
    }
  }
}