feat: psturtle.com _includes/GetRandomPalette ( Fixes #203 )

Author: StartAutomating

psturtle.com/_includes/GetRandomPalette.ps1

@@ -0,0 +1,45 @@
+
+<#
+.SYNOPSIS
+    Includes a palette selector
+.DESCRIPTION
+    Includes a palette selector in a page.  This allows the page to use multiple color palettes. 
+#>
+param(
+[uri]
+$PaletteListSource = 'https://4bitcss.com/Palette-List.json',
+
+# The Palette CDN.  This is the root URL of all palettes.
+[uri]
+$PaletteCDN = 'https://cdn.jsdelivr.net/gh/2bitdesigns/4bitcss@latest/css/',
+
+# The identifier for the palette `<select>`.
+[string]
+$SelectPaletteId = 'SelectPalette',
+
+# The identifier for the stylesheet.  By default, palette.
+[string]
+$PaletteId = 'palette'
+)
+
+
+$JavaScript = @"   
+function GetRandomPalette() {
+    var SelectPalette = document.getElementById('$SelectPaletteId')
+    if (SelectPalette) {
+        var randomNumber = Math.floor(Math.random() * SelectPalette.length);
+        SelectPalette.selectedIndex = randomNumber
+        SetPalette()
+    }    
+}
+"@
+
+$HTML = @"
+<script>
+$JavaScript
+</script>
+<button onclick='GetRandomPalette()'>Random Palette</button>
+"@
+
+$HTML
+