Add redirects for old pages (#1076)

Add redirects for the **scalardb-supported-databases** and **storage-abstraction** pages. Since the links for the latest versions of these pages are used elsewhere, we should redirect visitors instead of showing them a "Page not found" message.

Author: josh-wong

docusaurus.config.js

@@ -195,6 +195,10 @@ const config = {
             to: '/docs/3.14/scalardb-analytics/run-analytical-queries#version-compatibility',
             from: '/docs/3.14/scalardb-analytics-spark/version-compatibility',
           },
+          {
+            to: '/docs/latest/run-non-transactional-storage-operations-through-primitive-crud-interface',
+            from: '/docs/latest/storage-abstraction',
+          },
           {
             to: '/docs/3.13/run-non-transactional-storage-operations-through-primitive-crud-interface',
             from: '/docs/3.13/storage-abstraction',
@@ -203,6 +207,10 @@ const config = {
             to: '/docs/3.12/run-non-transactional-storage-operations-through-primitive-crud-interface',
             from: '/docs/3.12/storage-abstraction',
           },
+          {
+            to: '/docs/latest/requirements#databases',
+            from: '/docs/latest/scalardb-supported-databases',
+          },
           {
             to: '/docs/3.13/requirements#databases',
             from: '/docs/3.13/scalardb-supported-databases',