Examine source code of exSTATic

{
  "manifest_version": 3,
  "name": "exSTATic",
  "key": "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuwn/wsj43FLW2rxrACsMQK+58H2Cjkwez105WIDVfdj6SUiTIXdzBO2lT+tSZmoLx9HRbULqg0Aq4z8yg/mSHIjrQPPB/Gr1QFexWSAyvqkyJsePxwjpybo1aotuVo/fesMyHyBsenH7xNxSpsSbldA8GbVFks3rQc5gQOexhe1PXOA5GlmBOhIPO2vrITk60X5Ysp1VwGhx1OlUF9IixcH2uHvWm4n15AsINPH+OFx3mJw7xS+GqCL2bYP/mxepOohA8lKHKEPFtSFOBdFMtTA3tV/HEUU6G5hsS6IeQpBjzW2YTmaHD3tcK5SSdnK336AX3htYxY/O6zwErXx3PQIDAQAB",
  "browser_specific_settings": {
    "gecko": {
      "id": "{8a4101fc-747b-42b0-8f48-184df8cba172}"
    }
  },
  "version": "0.0.10",
  "description": "Completely automated reading statistics and tracking",
  "icons": {
    "100": "docs/favicon_100x100.png",
    "500": "docs/favicon.png"
  },
  "permissions": [
    "storage",
    "unlimitedStorage",
    "tabs",
    "scripting",
    "downloads"
  ],
  "host_permissions": [
    "https://kamwithk.github.io/exSTATic/**.html",
    "file:///*/exSTATic/**.html",
    "file:///*/fjiikigkdpahddfcembbapebejanfnhf/**.html",
    "https://*/Manga/**.html",
    "file:///**/Manga/**.html",
    "https://ttu-ebook.web.app/**",
    "https://reader.ttsu.app/**",
    "file:///**/ttu-ebook.web.app/**",
    "file:///**/reader.ttsu.app/**"
  ],
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'self'"
  },
  "background": {
    "scripts": [
      "background.js"
    ]
  },
  "content_scripts": [
    {
      "matches": [
        "https://kamwithk.github.io/exSTATic/tracker.html",
        "file:///*/exSTATic/*/tracker.html",
        "file:///*/fjiikigkdpahddfcembbapebejanfnhf/*/tracker.html"
      ],
      "js": [
        "vn/tracker_inject.js",
        "fonts.js"
      ],
      "css": [
        "docs/fonts.css",
        "vn/tracker_inject.css"
      ]
    },
    {
      "matches": [
        "https://ttu-ebook.web.app/**",
        "https://reader.ttsu.app/**",
        "file:///**/ttu-ebook.web.app/**",
        "file:///**/reader.ttsu.app/**"
      ],
      "js": [
        "ttu/ttu_inject.js",
        "fonts.js"
      ],
      "css": [
        "docs/fonts.css",
        "ttu/ttu_inject.css"
      ]
    },
    {
      "matches": [
        "https://*/Manga/**.html",
        "file:///**/Manga/**.html"
      ],
      "js": [
        "mokuro/mokuro_inject.js",
        "fonts.js"
      ],
      "css": [
        "docs/fonts.css",
        "mokuro/mokuro_inject.css"
      ]
    },
    {
      "matches": [
        "https://kamwithk.github.io/exSTATic/stats.html",
        "file:///*/exSTATic/*/stats.html",
        "file:///*/fjiikigkdpahddfcembbapebejanfnhf/*/stats.html"
      ],
      "js": [
        "stats/stats_inject.js",
        "fonts.js"
      ],
      "css": [
        "docs/fonts.css",
        "stats/stats_inject.css"
      ]
    },
    {
      "matches": [
        "https://kamwithk.github.io/exSTATic/settings.html",
        "file:///*/exSTATic/*/settings.html",
        "file:///*/fjiikigkdpahddfcembbapebejanfnhf/*/settings.html"
      ],
      "js": [
        "settings/settings_inject.js",
        "fonts.js"
      ],
      "css": [
        "docs/fonts.css",
        "settings/settings_inject.css"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "/fonts/*"
      ],
      "matches": [
        "<all_urls>"
      ]
    }
  ],
  "action": {
    "default_icon": {
      "100": "docs/favicon_100x100.png",
      "500": "docs/favicon.png"
    }
  }
}