Examine source code of Russian Stress Marker

{
  "manifest_version": 3,
  "name": "Russian Stress Marker",
  "browser_specific_settings": {
    "gecko": {
      "id": "rustress@r"
    }
  },
  "version": "0.0.3",
  "icons": {
    "16": "assets/16.png",
    "128": "assets/128.png"
  },
  "permissions": [
    "activeTab"
  ],
  "action": {},
  "background": {
    "service_worker": "dist/background.js",
    "scripts": [
      "dist/background.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "matches": [
        "*://*/*"
      ],
      "run_at": "document_end",
      "js": [
        "dist/import_module.js"
      ]
    }
  ],
  "web_accessible_resources": [
    {
      "resources": [
        "dist/lib.js",
        "dist/main.js",
        "dist/import_module.js",
        "dist/ort-wasm-simd-threaded.mjs",
        "dist/ort-wasm-simd-threaded.wasm"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ]
}