Examine source code of CloudLeaf - Browser Bookmark Cloud Sync Extension

{
  "icons" : {
    "16" : "icon16.plasmo.e7bcd3ac.png",
    "32" : "icon32.plasmo.ce39377b.png",
    "48" : "icon48.plasmo.3c17e113.png",
    "64" : "icon64.plasmo.df317abe.png",
    "128" : "icon128.plasmo.6a4310c5.png"
  },
  "manifest_version" : 2 ,
  "browser_action" : {
    "default_icon" : {
      "16" : "icon16.plasmo.e7bcd3ac.png",
      "32" : "icon32.plasmo.ce39377b.png",
      "48" : "icon48.plasmo.3c17e113.png",
      "64" : "icon64.plasmo.df317abe.png",
      "128" : "icon128.plasmo.6a4310c5.png"
    },
    "default_popup" : "popup.html"
  },
  "version" : "0.0.4",
  "author": "Ying Luan & KamikazEr101",
  "name" : "__MSG_extension_displayName__" ,
  "description" : "Browser Bookmark Cloud Sync Extension.",
  "homepage_url" : "https://github.com/Ying-Luan/CloudLeaf",
  "background" : {
    "scripts" : [
      "static/background/index.js" 
    ]
  },
  "options_ui" : {
    "page": "options.html" ,
    "open_in_tab": true
  },
  "sidebar_action": {
    "default_panel": "sidepanel.html"
  },
  "permissions" : [
    "storage" ,
    "alarms" ,
    "bookmarks" ,
    "sidePanel" ,
    "https://*/*" 
  ],
  "default_locale" : "en" ,
  "browser_specific_settings": {
    "gecko": {
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      },
      "id": "{4af0eb36-fc00-4328-8f64-83b474bfe062}"
    }
  }
}