Add sprites and icons for gen 8 and evolutions of past generations

public/images/pokemon/icons/input/resize.ps1

@@ -0,0 +1,3 @@
+Get-ChildItem -Path $dir -Filter *.png | ForEach-Object {
+	magick.exe convert $_.FullName -gravity center -extent 40x30 $_.FullName
+}

public/images/pokemon/icons/input/transparent.ps1

@@ -0,0 +1,3 @@
+Get-ChildItem -Path $dir -Filter *.png | ForEach-Object {
+	magick.exe convert $_.FullName -alpha on -fill none -draw 'color 0,0 replace' $_.FullName
+}