Examine source code of Mouse Gesture

{
  "manifest_version": 3,
  "name": "__MSG_extName__",
  "version": "26.7.13.10",
  "description": "__MSG_extDesc__",
  "default_locale": "en_US",
  "browser_specific_settings": {
    "gecko": {
      "id": "{e18ffb18-8d6f-4dfe-a336-b0af49a6ca8b}",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    },
    "gecko_android": {
      "strict_min_version": "142.0"
    }
  },
  "permissions": [
    "tabs",
    "storage",
    "alarms",
    "sessions",
    "activeTab",
    "clipboardWrite",
    "scripting",
    "downloads"
  ],
  "host_permissions": [
    "<all_urls>"
  ],
  "background": {
    "scripts": [
      "background.js"
    ],
    "type": "module"
  },
  "options_ui": {
    "page": "options.html",
    "open_in_tab": true
  },
  "sidebar_action": {
    "default_title": "__MSG_extName__",
    "default_panel": "sidepanel.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    },
    "open_at_install": false
  },
  "content_scripts": [
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "settings-common.js",
        "screenshot.js",
        "preview.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "ext-console.js",
        "settings-common.js",
        "unlock-restrictions-bridge.js",
        "ui-shadow-host.js",
        "scroll-gesture.js",
        "content.js"
      ],
      "run_at": "document_start",
      "all_frames": true
    },
    {
      "matches": [
        "<all_urls>"
      ],
      "js": [
        "screenshot-pins.js"
      ],
      "run_at": "document_start",
      "all_frames": false
    }
  ],
  "action": {
    "default_popup": "popup.html",
    "default_icon": {
      "16": "images/icon16.png",
      "48": "images/icon48.png",
      "128": "images/icon128.png"
    }
  },
  "icons": {
    "16": "images/icon16.png",
    "48": "images/icon48.png",
    "128": "images/icon128.png"
  }
}