Examine source code of Writer Studio

{
  "manifest_version" : 3 ,
  "name" : "Writer Studio",
  "version" : "1.0.0",
  "description" : "A beautiful, private word processor for Firefox. Write, format and export to DOCX, PDF, Markdown, XLSX and CSV. Everything stays on your device.",
  "author": "Mo",
  "homepage_url" : "https://developed-by-mo.web.app",
  "icons" : {
    "16" : "icons/icon-16.png",
    "32" : "icons/icon-32.png",
    "48" : "icons/icon-48.png",
    "96" : "icons/icon-96.png",
    "128" : "icons/icon-128.png"
  },
  "permissions" : [
    "storage" ,
    "unlimitedStorage" ,
    "downloads" 
  ],
  "background" : {
    "scripts" : [
      "background.js" 
    ]
  },
  "action" : {
    "default_title" : "Writer Studio",
    "default_icon" : {
      "16" : "icons/icon-16.png",
      "32" : "icons/icon-32.png"
    }
  },
  "sidebar_action": {
    "default_title" : "Writer Studio",
    "default_panel": "sidebar/sidebar.html",
    "default_icon" : {
      "16" : "icons/icon-16.png",
      "32" : "icons/icon-32.png"
    },
    "open_at_install": true
  },
  "commands" : {
    "_execute_sidebar_action": {
      "suggested_key": {
        "default": "Alt+Shift+W"
      },
      "description" : "Toggle the Writer Studio sidebar"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "writer-studio@developed-by-mo.web.app",
      "strict_min_version": "142.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  }
}