[squeal]: Add squeal SQL injection challenge

squeal/squeal.sh

@@ -0,0 +1,10 @@
+#!/bin/sh
+# Script that accepts the name of an artist and checks if they are currently in our Billboard Top 10 database
+
+while true; do
+    printf "Enter an artist's name: "
+    read input 
+
+    sqlite3 database.db "SELECT * FROM singles WHERE artist = '$input'"
+done
+