Add containerd's docs directory

Signed-off-by: Kazuyoshi Kato <katokazu@amazon.com>

Author: Kazuyoshi Kato

Makefile

@@ -21,11 +21,16 @@ serve:
 		--buildFuture \
 		--disableFastRender
 
-production-build:
+public/docs/latest:
+	rm -fr containerd # seems Netlify is caching this directory.
+	git clone --depth 1 https://github.com/containerd/containerd.git containerd
+	mv containerd/docs content/docs/latest
+
+production-build: public/docs/latest
 	hugo \
 	--minify
 
-preview-build:
+preview-build: public/docs/latest
 	hugo \
 		--baseURL $(DEPLOY_PRIME_URL) \
 		--buildDrafts \

themes/containerd/layouts/partials/docs/dropdown.html

@@ -12,10 +12,12 @@
   <div class="dropdown-menu" id="docs-dropdown-menu" role="menu">
     <div class="dropdown-content">
       {{- range $docs }}
-      {{- $isCurrentPage := eq $currentUrl .RelPermalink }}
-      <a class="dropdown-item{{ if $isCurrentPage }} is-active{{ end }}" href="{{ .RelPermalink }}">
-        {{ .Title }}
-      </a>
+        {{- $isCurrentPage := eq $currentUrl .RelPermalink }}
+        {{ if .Title }}
+          <a class="dropdown-item{{ if $isCurrentPage }} is-active{{ end }}" href="{{ .RelPermalink }}">
+            {{ .Title }}
+          </a>
+        {{ end }}
       {{- end }}
     </div>
   </div>

themes/containerd/layouts/partials/footer.html

@@ -23,13 +23,15 @@
 
         <ul>
           {{- range $docs }}
-          <li>
-            <a href="{{ .RelPermalink }}">
-              {{ .Title }}
-            </a>
-          </li>
+            {{ if .Title }}
+              <li>
+                <a href="{{ .RelPermalink }}">
+                  {{ .Title }}
+                </a>
+              </li>
+            {{ end }}
           {{- end }}
-        </ul>
+          </ul>
       </div>
 
       <div class="column">

themes/containerd/layouts/partials/navbar.html

@@ -40,9 +40,11 @@
 
           <div class="navbar-dropdown is-right">
             {{- range $docs }}
-            <a class="navbar-item" href="{{ .RelPermalink }}">
-              {{ .Title }}
-            </a>
+              {{ if .Title }}
+                <a class="navbar-item" href="{{ .RelPermalink }}">
+                  {{ .Title }}
+                </a>
+              {{ end }}
             {{- end }}
           </div>
         </div> <!-- .navbar-item -->