Instalang

manifest.json

{
  "name": "Instalang",
  "version": "0.7.1resigned1",
  "manifest_version": 2,
  "description": "Incremental Reading for Language Learning.",
  "homepage_url": "https://github.com/derjoker/instalang",
  "content_scripts": [
    {
      "matches": [
        "https://www.instapaper.com/read/*"
      ],
      "js": [
        "./src/check.js",
        "./src/index.js"
      ],
      "css": [
        "./src/index.css"
      ]
    }
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "{aeb033d3-fb17-417f-bb77-37863eb582c7}"
    }
  }
}