{ "manifest_version": 3, "name": "simple-highlight", "description": "Easily highlight text on a webpage.", "version": "0.1.0", "permissions": ["activeTab", "scripting"], "host_permissions": [""], "background": { "service_worker": "background.js" }, "action": {}, "commands": { "_execute_action": { "suggested_key": "Alt+H", "description": "Highlight selected text." } } }