Merge pull request 'Make image smaller with description' (!57) from main_open_graph into main

Reviewed-on: tfgrid/info_docs_tfgrid4#57

docusaurus.config.ts

@@ -70,6 +70,12 @@ const config: Config = {
       respectPrefersColorScheme: false,
     },
     image: 'img/tf_graph.png',
+  metadata: [
+    { name: 'description', content: 'ThreeFold is laying the foundation for Web4, the next generation of the Internet.' },
+    { property: 'og:image', content: 'https://docs.threefold.io/img/tf_graph.png' },
+    { property: 'og:description', content: 'ThreeFold is laying the foundation for Web4, the next generation of the Internet.' },
+    { property: 'og:title', content: 'Introduction | ThreeFold Docs' },
+  ],
     navbar: {
       title: '',
       logo: {