Just Do it!

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "name": "Just Do it!",
  "version": "1.0.2",
  "manifest_version": 2,
  "description": "Make your dreams come true!",
  "content_scripts": [
    {
      "matches": [
        "https://twitter.com/*",
        "https://tweetdeck.twitter.com/*",
        "https://mobile.twitter.com/*",
        "https://www.youtube.com/*",
        "https://www.instagram.com/*",
        "https://www.amazon.co.jp/*",
        "https://open.spotify.com/*"
      ],
      "exclude_globs": [
        "https://www.youtube.com/watch?v=IZmYn4ObRJc"
      ],
      "js": [
        "content.js"
      ]
    }
  ],
  "icons": {
    "16": "icons/icon16.png",
    "48": "icons/icon48.png",
    "128": "icons/icon128.png"
  }
}