manifest.json

{
    "name": "Owl devtools",
    "version": "1.0",
    "manifest_version": 3,
    "description": "Chrome devtools extension for Odoo Owl framework",
    "action": {
        "default_icon": {
            "128": "assets/icon_disabled128.png"
        },
        "default_title": "Owl devtools",
        "default_popup": "popup/popup.html"
    },
    "permissions": [
        "storage",
        "scripting"
    ],
    "host_permissions": [
        "http://*/*", 
        "https://*/*"
    ],
    "content_security_policy": {
        "script-src": "self",
        "object-src": "self"
    },
    "background": {
        "service_worker": "background.js"
    },
    "devtools_page": "devtools/devtools.html",
    "content_scripts": [
        {
            "matches": ["<all_urls>"],
            "js": ["content.js"]
        }
    ]
}