Integrate Google Analytics Docusaurus Plugin

[moAlobaidi]

Proposal to add the Docusaurus Google Analytics plugin for improved user interaction tracking. Tracking analytics data points with Google Analytics is useful for Aleo as it provides valuable insights into user behavior, engagement, and content effectiveness on the site, enabling us to optimize the dev experience.

Plugin Info: https://docusaurus.io/docs/api/plugins/@docusaurus/plugin-google-analytics

Implementation steps:

1. Install with npm install @docusaurus/plugin-google-analytics
2. Add to docusaurus.config.js:

module.exports = {
  plugins: ['@docusaurus/plugin-google-analytics'],
  themeConfig: {
    googleAnalytics: {
      trackingID: 'ALEO_TRACKING_ID',
      anonymizeIP: true,
    },
  },
};