Add SEO metadata partial and bump Hugo version to 0.53 (#508)

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

website/layouts/partials/docs/header.html

@@ -1,11 +1,11 @@
-{{- $description := .Params.description }}
+{{ $description := .Params.description }}
 <section class="dashboard-main-header section has-background-dark">
   <p class="title is-size-1 has-text-white-bis has-text-weight-light{{ if $description }} is-spaced{{ end }}">
     {{ .Title }}
   </p>
-  {{- with $description }}
+  {{ with $description }}
   <p class="subtitle is-size-3 is-size-4-mobile has-text-white-bis has-text-weight-light">
     {{ . }}
   </p>
-  {{- end }}
+  {{ end }}
 </section>

website/layouts/partials/docs/sidebar.html

@@ -1,8 +1,8 @@
-{{- $sidebarLogo := .Site.Params.logos.sidebar }}
-{{- $docs        := where .Site.Pages "Section" "docs" }}
+{{ $sidebarLogo := site.Params.logos.sidebar }}
+{{ $docs        := where site.Pages "Section" "docs" }}
 <div class="dashboard-panel is-medium is-hidden-mobile has-background-primary">
   <div class="dashboard-panel-header has-text-centered">
-    <a href="{{ .Site.BaseURL }}">
+    <a href="{{ site.BaseURL }}">
       <img src="{{ $sidebarLogo }}">
     </a>
   </div>
@@ -11,13 +11,13 @@
 
   <div class="dashboard-panel-main">
     <div class="toc">
-      {{- range $docs }}
+      {{ range $docs }}
       <div class="toc-item has-text-weight-light">
         <a href="{{ .URL }}">
             {{ .Title }}
           </a>
       </div>
-      {{- end }}
+      {{ end }}
     </div>
   </div>
 </div>