Update gallery page

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

layouts/partials/components/hero/process.html

@@ -0,0 +1,15 @@
+{{- $src := "" -}}
+{{- $caption := "" -}}
+{{- $title := "" -}}
+{{- $alt := "" -}}
+
+{{- if reflect.IsMap . -}}
+  {{- $src = .src -}}
+  {{- $caption = .caption | default "" -}}
+  {{- $title = .title | default $caption | plainify -}}
+  {{- $alt = .alt | default $title | plainify -}}
+{{- else -}}
+  {{- $src = . -}}
+{{- end -}}
+
+{{- return (dict "src" $src "caption" $caption "title" $title "alt" $alt) -}}