Twitch Prime Subscription Reminder

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Twitch Prime Subscription Reminder",
  "description": "This will switch the purple 'Subscribe' button to a bright orange when your free subscription is ready to be used",
  "version": "1.0.5",
  "icons": {
    "64": "icons/icon64.png",
    "128": "icons/icon128.png"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "*://*.twitch.tv/*"
      ],
      "js": [
        "check_subscription.js"
      ]
    }
  ],
  "browser_action": {
    "default_icon": {
      "64": "icons/icon64.png",
      "128": "icons/icon128.png"
    },
    "default_title": "Twitch Prime Subscription Reminder"
  },
  "permissions": [
    "tabs"
  ]
}