Don't show search cards in search result (#690)

Signed-off-by: hossainemruz <hossainemruz@gmail.com>

Signed-off-by: hossainemruz <hossainemruz@gmail.com>

layouts/_default/index.json

@@ -1,5 +1,5 @@
 {{- $.Scratch.Add "index" slice -}}
-{{- range .Site.RegularPages -}}
+{{- range (where .Site.RegularPages "Layout" "!=" "search") -}}
     {{- $.Scratch.Add "index" (dict "title" .Title "hero" (partial "helpers/get-hero.html" .) "date" (.Date.Format "January 2, 2006") "summary" .Summary "tags" .Params.tags "categories" .Params.categories "contents" .Plain "permalink" .Permalink) -}}
 {{- end -}}
 {{- $.Scratch.Get "index" | jsonify -}}