feat: updated resourceLink to tolerate empty links

Author: jlumbroso

layouts/shortcodes/resourceLink.html

@@ -1,10 +1,17 @@
-{{ $resource := .Page.Resources.GetMatch (.Get 0) }}
-{{ if $resource }}
-    {{ $name := .Get 1 }}
-    {{ if not $name }} <!-- If no second argument is provided -->
-        {{ $name = $resource.Name }} <!-- Use the resource filename as the default -->
-    {{ end }}
-    <a href="{{ $resource.Permalink }}">{{ $name }}</a><!-- eof -->
+{{ $filename := .Get 0 }}
+{{ $name := .Get 1 }}
+
+{{ if or (not $filename) (eq $filename "") (eq $filename "#") }}
+    <!-- Empty filename, just create an anchor -->
+    <a href="#">{{ $name }}</a><!-- eof -->
 {{ else }}
-    <p>Resource not found.</p>
+    {{ $resource := .Page.Resources.GetMatch $filename }}
+    {{ if $resource }}
+        {{ if not $name }} <!-- If no second argument is provided -->
+            {{ $name = $resource.Name }} <!-- Use the resource filename as the default -->
+        {{ end }}
+        <a href="{{ $resource.Permalink }}">{{ $name }}</a><!-- eof -->
+    {{ else }}
+        <p>Resource not found.</p>
+    {{ end }}
 {{ end }}