Add bash one-liner for parsing Nostr npub lists

For help with creating additions for Nostrify ban policies.

Ditto/nakparser.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+# For parsing lists of npubs for use in a nostrify PubkeyBanPolicy.                          
+
+###!!! Does not remove trailing commas !!!###
+
+while read -r line; do nak decode "$line" | jq '.pubkey' | sed "s/\"/\'/g" | sed "s/$/\,/"; done < $1            
+