Prime Video Speeder: adjust playback speed

{
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    "name": "__MSG_name__",
    "description": "__MSG_description__",
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    "version": "1.1.25",
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        "*:\/\/*.amazon.co.uk\/*",
        "*:\/\/*.amazon.de\/*",
        "*:\/\/*.amazon.co.jp\/*"
    ],
    "action": {
        "default_popup": "popup.html",
        "default_icon": "assets\/PrimeVideo2.png"
    },
    "content_scripts": [
        {
            "js": [
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                "value.js",
                "engine.js"
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            "css": [
                "modalFrame.css"
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                "*:\/\/*.amazon.de\/*",
                "*:\/\/*.amazon.co.jp\/*"
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    ],
    "icons": {
        "38": "assets\/PrimeVideo2.png",
        "71": "assets\/PrimeVideo1.png"
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    "web_accessible_resources": [
        {
            "resources": [
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                "*:\/\/*.amazon.de\/*",
                "*:\/\/*.amazon.co.jp\/*"
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        }
    ],
    "background": {
        "service_worker": "background.js"
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}