fix(docs): update return type formatting in getIpfsId documentation

Author: Ansonhkg

docs/sdk/sdk-reference/lit-client/functions/getIpfsId.mdx

@@ -28,7 +28,10 @@ const sameCid = await getIpfsId(bytes);
 
 ## Returns
 
-- `Promise<\`Qm\${string}\`>` – A CIDv0 string beginning with `Qm`.
+```
+// A CIDv0 string beginning with Qm
+Promise<Qm${string}>
+```
 
 ## Notes