update hugo&docsy, fix partials/head.html (was manually modified)

Author: lausser

Dockerfile

@@ -4,7 +4,7 @@
 # any changes here in this Dockerfile. (it is not actually a pre-release,
 # but the tag has to conform to the semver scheme, where only 3 numbers
 # are allowed)
-FROM docker.io/floryn90/hugo:0.145.0-ext-alpine
+FROM docker.io/floryn90/hugo:0.150.0-ext-alpine
 USER root
 RUN apk add git && \
   git config --global --add safe.directory /src

go.mod

@@ -3,6 +3,6 @@ module github.com/google/docsy-example
 go 1.12
 
 require (
-	github.com/google/docsy v0.11.0
+	github.com/google/docsy v0.12.0
 	github.com/google/docsy/dependencies v0.7.2 // indirect
 )

layouts/partials/head.html

@@ -21,7 +21,7 @@
     {{ .Site.Title -}}
   {{ end -}}
 </title>
-<meta name="description" content="{{ template "partials/page-description.html" . }}">
+<meta name="description" content="{{ with .Description }}{{ . }}{{ else }}{{ .Site.Params.description }}{{ end }}">
 {{ template "_internal/opengraph.html" . -}}
 {{ template "_internal/schema.html" . -}}
 {{ template "_internal/twitter_cards.html" . -}}