{
  "content_scripts": [
    {
      "js": [
        "js/content_script_colorscale.js"
      ],
      "matches": [
        "https://news.ycombinator.com/",
        "https://news.ycombinator.com/ask",
        "https://news.ycombinator.com/best",
        "https://news.ycombinator.com/news*"
      ]
    }
  ],
  "description": "",
  "manifest_version": 2,
  "name": "Hacker News",
  "version": "0.0.1"
}

{
  "applications": {
    "gecko": {
      "id": "hacker-news@example.com"
    }
  },
  "content_scripts": [
    {
      "js": [
        "js/content_script_colorscale.js"
      ],
      "matches": [
        "https://news.ycombinator.com/",
        "https://news.ycombinator.com/ask",
        "https://news.ycombinator.com/best",
        "https://news.ycombinator.com/news*"
      ]
    }
  ],
  "description": "",
  "manifest_version": 2,
  "name": "Hacker News",
  "version": "0.0.1"
}

Add setting for extension to load in Firefox
Add setting for extension to load in Firefox
