Update installation.mdx

Author: jderochervlk

pages/docs/manual/v12.0.0/installation.mdx

@@ -14,7 +14,7 @@ canonical: "/docs/manual/v12.0.0/installation"
     - yarn versions >1 need to set `nodeLinker: node-modules` in `.yarnrc.yml`
   - [pnpm](https://pnpm.io/)
   - [bun](https://bun.sh/)
-  - [deno]()
+  - [deno](http://deno.com/)
     - Configure `"nodeModulesDir": "auto"` in `deno.json`
 
 ## New Project