Examine source code of Mobile DevTools

{
  "name": "Mobile DevTools",
  "description": "A firefox add-on to get developper tools using eruda on your phone.",
  "manifest_version": 3,
  "version": "1.0.0",
  "homepage_url": "https://github.com/supersurviveur/mobile-devtools",
  "browser_specific_settings": {
    "gecko": {
      "id": "mobile-devtools@dev.tools",
      "strict_min_version": "113.0"
    },
    "gecko_android": {
      "strict_min_version": "113.0"
    }
  },
  "background": {
    "scripts": [
      "load_eruda.js"
    ]
  },
  "icons": {
    "16": "icon.svg",
    "32": "icon.svg",
    "48": "icon.svg",
    "96": "icon.svg"
  },
  "action": {
    "default_icon": "icon.svg",
    "default_title": "Load dev tools"
  },
  "permissions": [
    "activeTab",
    "scripting"
  ]
}