Release v1.3.1: Added PowerShell support and fixed theme issues

bin/Upload-JMESPath.ps1

@@ -1,15 +1,15 @@
 #!/usr/bin/env pwsh
 [CmdletBinding()]
 param(
-	[Parameter(Position=0, HelpMessage='API base URL')]
+	[Parameter(HelpMessage='Path to JSON file; default: read from stdin')]
+	[string]$JsonFile = '-',
+
+	[Parameter(HelpMessage='API base URL')]
 	[string]$ApiUrl,
 
 	[Parameter(HelpMessage='API key for authentication')]
 	[string]$ApiKey,
 
-	[Parameter(HelpMessage='Path to JSON file; default: read from stdin')]
-	[string]$JsonFile = '-',
-
 	[Parameter(HelpMessage='Show help')]
 	[switch]$Help
 )