feat(create-prompt): copy prompt file path to clipboard and update template with improved task instructions

bin/create-prompt

@@ -47,4 +47,8 @@ create-prompt() {
     else
         echo "File created: $filepath"
     fi
+    
+    # Copy path to clipboard
+    echo "$filepath" | copy-to-clipboard
+    echo "Path to prompt file copied to clipboard."
 }