Pretty Gherkin

manifest.json

{
  "update_url": "https://clients2.google.com/service/update2/crx",
  "manifest_version": 2,
  "name": "Pretty Gherkin",
  "description": "Open your cucumber feature files written in gherkin in the browser to see them formatted in a human-friendly way.",
  "version": "0.2.5",
  "icons": {
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  },
  "options_page": "options.html",
  "permissions": [
    "storage"
  ],
  "content_scripts": [
    {
      "matches": [
        "file:///*/*.feature",
        "*://*/*.featurejjj",
        "https://raw.githubusercontent.com/*.feature*",
        "*://*/*.feature*&raw",
        "https://gitlab.com/*.feature*",
        "https://bitbucket.org/*/raw/*.feature*"
      ],
      "css": [
        "css/mod.css"
      ],
      "js": [
        "js/content_script.js"
      ]
    }
  ]
}