fix: trim leading whitespace from arg descriptions

Trim the optional leading whitespace from descriptions when parsing
arguments to prevent them from showing up in the chat completion function
definitions produced by gptscript.

Signed-off-by: Nick Hale <[email protected]>

Author: njhale

pkg/parser/parser.go

@@ -60,7 +60,7 @@ func addArg(line string, tool *types.Tool) error {
 
 	tool.Parameters.Arguments.Properties[key] = &openapi3.SchemaRef{
 		Value: &openapi3.Schema{
-			Description: value,
+			Description: strings.TrimSpace(value),
 			Type:        "string",
 		},
 	}