Examine source code of StickLy

{
  "manifest_version" : 3 ,
  "name" : "StickLy",
  "short_name" : "StickLy",
  "version" : "1.3.2",
  "description" : "Private notes, checklists, tasks and reminders. Save text from any page and stick notes over your tabs. Nothing leaves your device.",
  "icons" : {
    "16" : "icons/stickly-16.png",
    "32" : "icons/stickly-32.png",
    "48" : "icons/stickly-48.png",
    "64" : "icons/stickly-64.png",
    "96" : "icons/stickly-96.png",
    "128" : "icons/stickly-128.png"
  },
  "action" : {
    "default_title" : "StickLy",
    "default_popup" : "src/ui/popup.html",
    "default_icon" : {
      "16" : "icons/stickly-16.png",
      "32" : "icons/stickly-32.png"
    }
  },
  "background" : {
    "page": "src/background/background.html"
  },
  "options_ui" : {
    "page": "src/ui/options.html" ,
    "open_in_tab": true
  },
  "permissions" : [
    "storage" ,
    "unlimitedStorage" ,
    "alarms" ,
    "notifications" ,
    "contextMenus" ,
    "scripting" ,
    "clipboardWrite" 
  ],
  "host_permissions" : [
    "<all_urls>" 
  ],
  "content_scripts" : [
    {
      "matches" : [
        "<all_urls>" 
      ],
      "js" : [
        "src/content/content.js" 
      ],
      "run_at" : "document_start" ,
      "all_frames" : false 
    }
  ],
  "commands" : {
    "_execute_action": {
      "suggested_key": {
        "default": "Alt+Shift+K"
      },
      "description" : "Open StickLy"
    },
    "save-selection": {
      "suggested_key": {
        "default": "Alt+Shift+S"
      },
      "description" : "Save selected text as a note"
    }
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "stickly@stickly-notes.app",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  }
}