Examine source code of SessionVault

{
  "manifest_version": 3,
  "name": "__MSG_appName__",
  "description": "__MSG_appDescription__",
  "version": "1.0.0",
  "default_locale": "en",
  "author": "rheysoft",
  "permissions": [
    "tabs",
    "storage",
    "alarms",
    "tabGroups"
  ],
  "host_permissions": [
    "https://api.gumroad.com/*"
  ],
  "background": {
    "scripts": [
      "src/background/background.js"
    ]
  },
  "action": {
    "default_popup": "src/popup/popup.html",
    "default_title": "__MSG_appName__",
    "default_icon": {
      "16": "icons/icon-16.png",
      "32": "icons/icon-32.png",
      "48": "icons/icon-48.png",
      "128": "icons/icon-128.png"
    }
  },
  "sidebar_action": {
    "default_panel": "src/sidepanel/sidepanel.html",
    "default_title": "__MSG_appName__",
    "default_icon": {
      "32": "icons/icon-32.png"
    }
  },
  "commands": {
    "save-session": {
      "suggested_key": {
        "default": "Ctrl+Shift+S"
      },
      "description": "__MSG_cmdSaveSession__"
    },
    "open-side-panel": {
      "suggested_key": {
        "default": "Ctrl+Shift+E"
      },
      "description": "__MSG_cmdOpenPanel__"
    },
    "restore-last": {
      "suggested_key": {
        "default": "Ctrl+Shift+R"
      },
      "description": "__MSG_cmdRestoreLast__"
    }
  },
  "icons": {
    "16": "icons/icon-16.png",
    "32": "icons/icon-32.png",
    "48": "icons/icon-48.png",
    "128": "icons/icon-128.png"
  },
  "browser_specific_settings": {
    "gecko": {
      "id": "sessionvault@rheysoft",
      "strict_min_version": "140.0",
      "data_collection_permissions": {
        "required": [
          "none"
        ]
      }
    }
  },
  "content_security_policy": {
    "extension_pages": "script-src 'self'; object-src 'none'; img-src 'self' data:; connect-src https://api.gumroad.com"
  }
}