blog/static/site.webmanifest

{
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            "type": "image/png"
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            "sizes": "512x512",
            "type": "image/png"
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    ],
    "theme_color": "#494f5c",
    "background_color": "#494f5c",
    "start_url": "https://ojbk.im",
    "display": "standalone"
}