Update script to actually work

pubspace.sh

@@ -1,7 +1,9 @@
-#!/bin/sh
+#!/bin/bash
+
+FILE="$1"
 
 /usr/bin/curl \
   -H "Content-Type: application/json" \
   -X GET \
-  -d '{"username":"xyz","password":"xyz"}' \
+  -d "{\"file\":\"${FILE}\"}" \
   https://publish.lumbung.space