Examine source code of CZ TT Tracker

{
  "manifest_version": 3,
  "name": "CZ TT Tracker",
  "description": "An unofficial plugin to make the CZ TT websites friendlier for users",
  "version": "1.1.2",
  "icons": {
    "16": "icons/16.png",
    "32": "icons/32.png",
    "48": "icons/48.png",
    "64": "icons/64.png",
    "128": "icons/128.png"
  },
  "default_locale": "cs",
  "web_accessible_resources": [
    {
      "matches": [
        "https://stis.ping-pong.cz/*"
      ],
      "resources": [
        "glyphs/loading.svg",
        "screenshots/matches.png",
        "stis-hrac-main.js",
        "stis-zapis-main.js",
        "stis-tabulka-main.js",
        "stis-vysledky-main.js"
      ]
    },
    {
      "matches": [
        "https://www.pinecarena.cz/*",
        "https://pinecarena.cz/*"
      ],
      "resources": [
        "glyphs/scales.svg",
        "glyphs/stats.svg"
      ]
    }
  ],
  "host_permissions": [
    "https://stis.ping-pong.cz/*"
  ],
  "permissions": [
    "storage",
    "alarms",
    "notifications",
    "scripting"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "cz-tt-tracker@smoke"
    }
  },
  "background": {
    "type": "module",
    "scripts": [
      "background.js"
    ]
  },
  "action": {
    "default_title": "CZ Table Tennis Tracker",
    "default_popup": "popup.html"
  },
  "content_scripts": [
    {
      "matches": [
        "https://pinecarena.cz/*",
        "https://www.pinecarena.cz/*"
      ],
      "run_at": "document_end",
      "js": [
        "content-scripts/arena-all.js"
      ]
    },
    {
      "matches": [
        "https://pinecarena.cz/calendar*",
        "https://www.pinecarena.cz/calendar*"
      ],
      "run_at": "document_end",
      "js": [
        "content-scripts/arena-calendar.js"
      ]
    },
    {
      "matches": [
        "https://pinecarena.cz/chart*",
        "https://www.pinecarena.cz/chart*"
      ],
      "run_at": "document_end",
      "js": [
        "content-scripts/arena-chart.js"
      ]
    },
    {
      "matches": [
        "https://pinecarena.cz/compare*",
        "https://www.pinecarena.cz/compare*"
      ],
      "run_at": "document_end",
      "js": [
        "content-scripts/arena-compare.js"
      ]
    },
    {
      "matches": [
        "https://pinecarena.cz/history*",
        "https://www.pinecarena.cz/history*"
      ],
      "run_at": "document_end",
      "js": [
        "content-scripts/arena-history.js"
      ]
    },
    {
      "matches": [
        "https://pinecarena.cz/*",
        "https://www.pinecarena.cz/*"
      ],
      "run_at": "document_start",
      "css": [
        "content-scripts/arena.css"
      ],
      "js": [
        "content-scripts/arena.js"
      ]
    },
    {
      "matches": [
        "https://stis.ping-pong.cz/druzstvo*"
      ],
      "run_at": "document_end",
      "js": [
        "content-scripts/stis-druzstvo.js"
      ]
    },
    {
      "matches": [
        "https://stis.ping-pong.cz/hrac*"
      ],
      "run_at": "document_end",
      "js": [
        "content-scripts/stis-hrac.js"
      ]
    },
    {
      "matches": [
        "https://stis.ping-pong.cz/tabulka*"
      ],
      "run_at": "document_end",
      "js": [
        "content-scripts/stis-tabulka.js"
      ]
    },
    {
      "matches": [
        "https://stis.ping-pong.cz/vysledky*"
      ],
      "run_at": "document_end",
      "js": [
        "content-scripts/stis-vysledky.js"
      ]
    },
    {
      "matches": [
        "https://stis.ping-pong.cz/zapis*"
      ],
      "run_at": "document_end",
      "js": [
        "content-scripts/stis-zapis.js"
      ]
    },
    {
      "matches": [
        "https://stis.ping-pong.cz/*"
      ],
      "run_at": "document_start",
      "css": [
        "content-scripts/stis.css"
      ],
      "js": [
        "content-scripts/stis.js"
      ]
    }
  ]
}