Examine source code of Blaze Suppressor

{
  "manifest_version": 2,
  "name": "Blaze Suppressor",
  "description": "Replaces silly phrases with sillier phrases.",
  "homepage_url": "https://github.com/penryu/blaze-suppressor/",
  "version": "1.1",
  "browser_specific_settings": {
    "gecko": {
      "id": "{48e26b53-f9a1-4a87-a83b-76fbc3aa8c2b}"
    }
  },
  "icons": {
    "48": "icons/icon.png",
    "96": "icons/icon@2x.png"
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "./substitute.js"
      ]
    }
  ]
}