docs: add home button to legal sidebar

Author: TC-MO

sources/legal/sidebars.js

@@ -1,5 +1,10 @@
 module.exports = {
     legal: [
+        {
+            type: 'link',
+            label: 'Home',
+            href: '/legal',
+        },
         {
             type: 'category',
             label: 'Terms and Conditions',
@@ -25,4 +30,4 @@ module.exports = {
             ],
         },
     ],
-};
+};