manifest.json

{
    "name": "Form-Data SIM",
    "version": "1.0",
    "description": "Detect form and simulate a POST action by serializing the Form and sending it to endpoint.",
    "manifest_version": 2,
    "permissions": [
        "storage", 
        "tabs",
        "activeTab"
    ],
    "icons": {
        "48": "icon-off-48.png",
       "128": "icon128.png"
    },
    "background": {
        "scripts": [
            "content/jquery-3.5.1.slim.min.js", 
            "scripts/constants.js",
            "scripts/background.js"
        ],
        "persistent": false
    },
    "content_scripts": [{
        "matches": ["http://*/*", "https://*/*"],
        "css": [
            "content/style.css"
        ],
        "js": [
            "scripts/helpers/form-helper.js",
            "content/jquery-3.5.1.slim.min.js",
            "scripts/constants.js",
            "scripts/form-detector.js"
        ]
    }],
    "browser_action": {}
}