[Fix] don't crash if values.yaml or Chart.yaml is not found

Instead the default values are used, this would be the same as if the
file was empty.

This makes it possible to use helm-ls for helmfile projects that don't
have a values.yaml file (mrjosh#27).

internal/handler/handler.go

@@ -88,15 +88,13 @@ func (h *langHandler) handleInitialize(ctx context.Context, reply jsonrpc2.Repli
 	vals, err := chartutil.ReadValuesFile(vf)
 	if err != nil {
 		logger.Println("Error loading values.yaml file", err)
-		return err
 	}
 	h.values = vals
 
 	chartFile := filepath.Join(workspace_uri.Path, "Chart.yaml")
 	chartMetadata, err := chartutil.LoadChartfile(chartFile)
 	if err != nil {
 		logger.Println("Error loading Chart.yaml file", err)
-		return err
 	}
 	h.chartMetadata = *chartMetadata