Docs: Adds placeholder for update to picklist docs until PR is finalized

Author: bsbonus

docs/user_guide/bank/essentials_requests.md

@@ -138,6 +138,9 @@ This will create a .csv file with the following information for each filtered Re
   - the quantity requested
     Note: If you use custom units, there will be a column for each item/unit that is available to be requested.
 
+## Printing Request picklists
+Coming soon
+
 ## Printing unfulfilled Request picklists
 
 Finally, you can also print "picklists" for your unfulfilled Requests.