Added redirects (#1459)

* Added redirects but error when attempting to preview docs

Signed-off-by: madelinemurray <madeline.murray@consensys.net>

* Remove stray character.

Signed-off-by: bgravenorst <byron.gravenorst@consensys.net>

* Fix linter issues regarding spacing.

Signed-off-by: bgravenorst <byron.gravenorst@consensys.net>

* Fix file names.

Signed-off-by: bgravenorst <byron.gravenorst@consensys.net>

---------

Signed-off-by: madelinemurray <madeline.murray@consensys.net>
Signed-off-by: bgravenorst <byron.gravenorst@consensys.net>
Co-authored-by: bgravenorst <byron.gravenorst@consensys.net>
Co-authored-by: Byron Gravenorst <50852695+bgravenorst@users.noreply.github.com>
Co-authored-by: Alexandra Tran Carrillo <12214231+alexandratran@users.noreply.github.com>

docusaurus.config.js

@@ -291,6 +291,21 @@ const config = {
         containerId: "GTM-THG37T4",
       },
     ],
+    [
+      "@docusaurus/plugin-client-redirects",
+      {
+        redirects: [
+          {
+            from: "/private-networks/tutorials/permissioning/onchain",
+            to: "/private-networks/how-to/use-permissioning/onchain",
+          },
+          {
+            from: "/private-networks/tutorials/permissioning/upgrade-contracts",
+            to: "/private-networks/how-to/use-permissioning/onchain",
+          },
+        ],
+      },
+    ],
   ],
   themes: [
     [