Partial: Added default

Author: lamATnginx

layouts/partials/get-feature-flags.html

@@ -1,5 +1,5 @@
-{{- /* Extract parameter with validation */ -}}
-{{- $featureName := . -}}
+{{- /* Extract parameter with defaults and validation */ -}}
+{{- $featureName := . | default false -}}
 {{- $featureFlags := site.Params.featureflags -}}
 {{- if ne (printf "%T" (index $featureFlags $featureName)) "bool" -}}
   {{ errorf "Expected type of feature flag params to be boolean." }}