fixed shebangs on non-POSIX scripts

spells/cantrips/await-keypress

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
 # This magical spell captures and processes key presses.
 # Use it to capture key presses from the terminal and determine which key was pressed.
@@ -66,7 +66,4 @@ await_keypress() {
   esac
 }
 
-# Check if the script is being executed or sourced, if executed then call the function
-if [[ "${BASH_SOURCE[0]}" == "${0}" ]]; then
-  await_keypress
-fi
+await_keypress

spells/cantrips/fathom-cursor

@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/usr/bin/env bash
 
 # This spell reveals the x and y coordinates of the cursor in the terminal window.
 

spells/cantrips/move-cursor

@@ -1,4 +1,4 @@
-#!/usr/bin/env sh
+#!/usr/bin/env bash
 
 # This magical spell moves the cursor to the specified x and y coordinates in the terminal window, as if guided by an unseen hand.
 
@@ -23,7 +23,4 @@ test_move_cursor() {
     echo "All tests passed"
 }
 
-# Check if the script is being sourced, and run it if not
-if [ "${BASH_SOURCE[0]}" = "$0" ]; then
-  move_cursor "$@"
-fi
+move_cursor "$@"