Add Pokémon Infinity money and debug-mode helpers.

These scripts edit Essentials save money offline and toggle the in-game debug menu so pokeball shopping does not require manual save hex editing.

scripts/infinity-money.ps1

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+<#
+.SYNOPSIS
+  Quick money edit for Pokémon Infinity save files.
+
+.DESCRIPTION
+  Wrapper around scripts/infinity-money-trainer.py. Close the game first.
+
+.EXAMPLE
+  .\infinity-money.ps1
+  .\infinity-money.ps1 -Amount 500000
+  .\infinity-money.ps1 -Show
+#>
+[CmdletBinding()]
+param(
+    [int]$Amount = 999999,
+    [string]$Slot,
+    [switch]$Show,
+    [string]$SaveDir
+)
+
+$script = Join-Path $PSScriptRoot 'infinity-money-trainer.py'
+if (-not (Test-Path -LiteralPath $script)) {
+    throw "Missing trainer script: $script"
+}
+
+$args = @($script)
+if ($SaveDir) { $args += @('--save-dir', $SaveDir) }
+
+if ($Show) {
+    $args += 'show'
+} else {
+    $args += @('set', [string]$Amount)
+    if ($Slot) { $args += @('--slot', $Slot) }
+}
+
+Write-Host "Pokémon Infinity money trainer" -ForegroundColor Cyan
+Write-Host "Close the game before continuing." -ForegroundColor Yellow
+python @args