Show Astrological Sign On Wikipedia

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Show Astrological Sign On Wikipedia",
  "version": "1.0.1",
  "description": "An extension that shows the astrological sign in the summary box of people's pages on the English Wikipedia.",
  "content_scripts": [
    {
      "js": [
        "content.js"
      ],
      "matches": [
        "https://en.wikipedia.org/*"
      ]
    }
  ],
  "icons": {
    "128": "icon128.png"
  }
}