{
"name": "Marta app", "version": "0.41245", "description": "Messaging from browser to main app", "devtools_page": "devtools.html", "permissions": ["activeTab", "http://127.0.0.1*/*", "storage", "contextMenus"], "background": { "scripts": ["background.js"], "persistent": true }, "content_scripts": [{ "matches": ["<all_urls>"], "all_frames": true, "js": ["content.js"] }], "manifest_version": 2
}