Examine source code of Salesforce Commander

{
  "name": "Salesforce Commander",
  "version": "0.9.0",
  "manifest_version": 3,
  "description": "Get more done in Salesforce - Quickly access any page using your keyboard!",
  "action": {
    "default_icon": "images/sf-commander32.png",
    "default_popup": "popup.html",
    "default_title": "Salesforce Commander"
  },
  "icons": {
    "16": "images/sf-commander16.png",
    "32": "images/sf-commander32.png",
    "48": "images/sf-commander48.png",
    "128": "images/sf-commander128.png"
  },
  "web_accessible_resources": [
    {
      "resources": [
        "images/*"
      ],
      "matches": [
        "*://*/*"
      ]
    }
  ],
  "background": {
    "scripts": [
      "serviceWorker.js"
    ],
    "type": "module"
  },
  "content_scripts": [
    {
      "css": [
        "styles/main.css"
      ],
      "matches": [
        "https://*.force.com/*",
        "https://*.salesforce.com/*",
        "https://*.salesforce-setup.com/*",
        "https://*.cloudforce.com/*"
      ],
      "all_frames": true,
      "js": [
        "contentScript.js",
        "shared.js",
        "popup.js"
      ],
      "run_at": "document_end"
    }
  ],
  "commands": {
    "goToTasks": {
      "description": "Go directly to Tasks",
      "suggested_key": {
        "default": "Ctrl+Shift+1"
      }
    },
    "goToReports": {
      "description": "Go directly to Reports",
      "suggested_key": {
        "default": "Ctrl+Shift+2"
      }
    },
    "showSearchBox": {
      "description": "Open Search Box",
      "suggested_key": {
        "default": "Ctrl+Shift+Space"
      }
    },
    "alternativeShowSearchBox": {
      "description": "Open Search Box (Alternative shortcut)",
      "suggested_key": {
        "default": "Ctrl+Space"
      }
    },
    "showAppMenu": {
      "description": "Open Lightning App Menu",
      "suggested_key": {
        "default": "Ctrl+Shift+A"
      }
    }
  },
  "permissions": [
    "management",
    "storage",
    "clipboardRead",
    "cookies",
    "scripting"
  ],
  "host_permissions": [
    "https://*.force.com/*",
    "https://*.salesforce.com/*",
    "https://*.cloudforce.com/*"
  ],
  "browser_specific_settings": {
    "gecko": {
      "id": "SalesforceCommander@addon.org"
    }
  }
}