docs: changes to main docs sidebar (#11750)

* docs: changes to main docs sidebar

* fix links

* fix vale test

* fix vale errors

www/apps/book/app/learn/fundamentals/environment-variables/page.mdx

@@ -226,7 +226,7 @@ You should opt for setting configurations in `medusa-config.ts` where possible.
     <Table.Row>
       <Table.Cell>`MEDUSA_DISABLE_TELEMETRY`</Table.Cell>
       <Table.Cell>
-        Whether to disable analytics data collection. Learn more in [this documenation](!resources!/usage).
+        Whether to disable analytics data collection. Learn more in [this documenation](../../resources/usage/page.mdx).
       </Table.Cell>
       <Table.Cell> \- </Table.Cell>
     </Table.Row>