Added a external showcase https://bestsolution-at.github.io/openapi-dsl/

hugo/content/showcase/openapi.html

@@ -0,0 +1,12 @@
+---
+title: "OpenAPI SL" 
+weight: 0
+type: langium
+layout: showcase-page
+externalUrl: "https://bestsolution-at.github.io/openapi-dsl/"
+img: "/assets/BestSolution_OpenAPI.svg"
+description: A proof-of-concept DSL to describe OpenAPI-Documents in a concise and human readable way. Made by BestSolution.
+geekdochidden: true
+draft: false
+noMain: true
+---

hugo/layouts/langium/list.html

@@ -4,9 +4,19 @@
 <div class="flex flex-wrap gap-10 justify-center mt-5 mx-5 "> 
 {{range where .Pages.ByWeight ".Params.draft" false}}
     <div class="rounded-lg border shadow-md bg-gray-800 border-gray-600 w-[300px] overflow-hidden self-stretch text-white">   
+        {{ if .Params.url }}
         <a href="{{.Params.url}}" class="self-stretch">
+        {{ else if .Params.externalUrl }}
+        <a href="{{.Params.externalUrl}}" target="_blank" class="self-stretch">
+        {{ end }}
             <img src="{{.Params.img}}" class="object-fill min-h-[300px]"/>
-            <h2 class="text-center text-xl mt-10 mb-5">{{.Title}}</h2>
+            <h2 class="text-center text-xl mt-10 mb-5">
+                {{.Title}} 
+                {{ if .Params.externalUrl }}
+                   <img src="/assets/external_link.svg" class="inline-block h-4 w-4 mb-2"/>
+                {{ end }}
+
+            </h2>
             <p class="line-clamp-[8] px-5 mb-10 text-sm">
                 {{.Params.description}}
             </p>