feat: add gtm into the project and analytics configuration

Author: danielbarion

docs/docusaurus.config.js

@@ -51,6 +51,10 @@ const config = {
           customCss: require.resolve('./src/css/custom.css'),
         },
         gtag: {
+          trackingID: 'GTM-TH6VNCW',
+          anonymizeIP: false,
+        },
+        googleAnalytics: {
           trackingID: 'G-N15QWWS0MW',
           anonymizeIP: false,
         },