update gradient for better nushell comparisons

coloring/gradient_40x160.ps1

@@ -0,0 +1,27 @@
+function Set-Cursor {
+    [CmdletBinding()]
+    param ([int] $x, [int] $y)
+    $Host.UI.RawUI.CursorPosition = @{x = $x; y = $y }
+}
+
+function Get-Character {
+    [CmdletBinding()]
+    param ([int]$index)
+    $mystring = '                   Trevor Sullivan'
+    return $index -ge ($mystring.Length) ? ' ' : $mystring[$index]
+}
+
+function main {
+    # This is the same script as gradient.ps1 but hard coded
+    # to 40x160 for nushell comparisions
+    for ($y = 0; $y -le 39; $y++) {
+        $Color = 25
+        Set-Cursor -x $PSItem -y $y
+        0..159 | ForEach-Object {
+            Write-Host -Object ("`e[48;2;0;0;$Color`m{0}" -f (Get-Character -Index $PSItem)) -NoNewline
+            $Color += 2
+        }
+    }
+}
+
+main