(maint) Add new query string builder function

src/private/New-HttpQueryString.ps1

@@ -0,0 +1,31 @@
+function New-HttpQueryString
+{
+    #Shamelessly taken from https://powershellmagazine.com/2019/06/14/pstip-a-better-way-to-generate-http-query-strings-in-powershell/
+    [CmdletBinding()]
+    param 
+    (
+        [Parameter(Mandatory = $true)]
+        [String]
+        $Uri,
+
+        [Parameter(Mandatory = $true)]
+        [Hashtable]
+        $QueryParameter
+    )
+    # Add System.Web
+    Add-Type -AssemblyName System.Web
+
+    # Create a http name value collection from an empty string
+    $nvCollection = [System.Web.HttpUtility]::ParseQueryString([String]::Empty)
+
+    foreach ($key in $QueryParameter.Keys)
+    {
+        $nvCollection.Add($key, $QueryParameter.$key)
+    }
+
+    # Build the uri
+    $uriRequest = [System.UriBuilder]$uri
+    $uriRequest.Query = $nvCollection.ToString()
+
+    return $uriRequest.Uri.OriginalString
+}