Made script mroe POSIX compliant

Remove the "here-string" (<<<) with a "here-document" (<< EOF ... EOF)

scryfall_deser/scripts/search_with_rofi.sh

@@ -1,8 +1,11 @@
-#!/bin/bash
+#!/bin/sh
 
 CARDS=$(/home/arthurr/code/mini_projects/scryfall_deser/target/debug/scryfall_deser $@)
 
-SELECTION=$(rofi -dmenu <<< "$CARDS")
+SELECTION=$(rofi -dmenu << EOF
+"$CARDS"
+EOF
+)
 
 CARD_OUTPUT=$(/home/arthurr/code/mini_projects/scryfall_deser/target/debug/scryfall_deser --exact $SELECTION)