add cncf-landscape shortcode for training page

Author: Arhell

content/en/training/_index.html

@@ -112,7 +112,6 @@ <h2>Kubernetes Training Partners</h2>
     </center>
   </div>
   <div class="main-section landscape-section">
-    <iframe src="https://landscape.cncf.io/category=kubernetes-training-partner&format=logo-mode&grouping=category&embed=yes" frameborder="0" id="landscape" scrolling="no"></iframe>
-    <script src="https://landscape.cncf.io/iframeResizer.js"></script>
+    {{< cncf-landscape helpers=false category="kubernetes-training-partner" >}}
   </div>
 </div>

layouts/shortcodes/cncf-landscape.html

@@ -57,7 +57,11 @@
 </script>
 {{- end -}}
 <div id="frameHolder">
-  <iframe frameborder="0" id="landscape" scrolling="no" src="" style="width: 1px; min-width: 100%" title="CNCF Landscape"></iframe>
+  {{ if ( .Get "category" ) }}
+  <iframe frameborder="0" id="landscape" scrolling="no" src="https://landscape.cncf.io/category={{ .Get "category" }}&format=logo-mode&grouping=category&embed=yes"></iframe>
+  {{ else }}
+  <iframe frameborder="0" id="landscape" scrolling="no" src="https://landscape.cncf.io/format=logo-mode;embed=yes" style="width: 1px; min-width: 100%" title="CNCF Landscape"></iframe>
+  {{ end }}
   <script src="https://landscape.cncf.io/iframeResizer.js"></script>
 </div>
 {{- end -}}