Examine source code of Lightspeed

{
  "manifest_version": 2,
  "name": "Lightspeed",
  "version": "0.1.1resigned1",
  "description": "Fast tab switching for Firefox",
  "homepage_url": "https://gitlab.com/cadecairos/Lightspeed",
  "permissions": [
    "activeTab",
    "tabs"
  ],
  "icons": {
    "48": "src/icons/lightspeed.svg",
    "96": "src/icons/lightspeed.svg"
  },
  "browser_action": {
    "default_icon": {
      "16": "src/icons/lightspeed.svg",
      "32": "src/icons/lightspeed.svg"
    },
    "browser_style": true,
    "default_title": "Lightspeed",
    "default_popup": "dist/html/popup.html"
  },
  "background": {
    "scripts": [
      "dist/js/background.js"
    ]
  },
  "commands": {
    "_execute_browser_action": {
      "suggested_key": {
        "default": "Ctrl+Shift+Comma"
      }
    }
  },
  "applications": {
    "gecko": {
      "id": "{567722ba-7660-419b-8b7e-8ecc1cc5d0fa}"
    }
  }
}