Examine source code of linguee-popup

{
  "name": "linguee-pop-up",
  "manifest_version": 2,
  "author": "misrepresenting",
  "version": "0",
  "background": {
    "page": "background-page.html"
  },
  "icons": {
    "16": "assets/pluginIcon.svg",
    "32": "assets/pluginIcon.svg"
  },
  "browser_action": {
    "default_icon": "assets/pluginIcon.svg",
    "default_popup": "popup/index.html"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "misrep@github.com"
    }
  },
  "permissions": [
    "storage",
    "contextMenus"
  ]
}