i18n: bilingual de/en, bundle js from assets via hugo pipes, css refresh

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

layouts/portfolio/list.html

@@ -6,7 +6,7 @@
   <p class="tui__cmd"><span class="tui__sym">$</span> ls</p>
   <p class="tui__cmd tui__total">total {{ len $sorted }}</p>
   <ul class="tui__ls">
-    <li><a href="{{ "/" | relURL }}" data-name="..">
+    <li><a href="{{ "/" | relLangURL }}" data-name="..">
       <span class="tui__perm">drwxr-xr-x</span><span class="tui__date"></span><span class="tui__name">..</span>
     </a></li>
     {{ range $i, $p := $sorted }}

layouts/portfolio/single.html

@@ -10,7 +10,7 @@
   {{ $total := 0 }}{{ if $images }}{{ $total = len $images }}{{ end }}{{ if $hasText }}{{ $total = add $total 1 }}{{ end }}{{ if $video }}{{ $total = add $total 1 }}{{ end }}
   <p class="tui__cmd tui__total">total {{ $total }}</p>
   <ul class="tui__ls">
-    <li><a href="{{ "/portfolio/" | relURL }}" data-name="..">
+    <li><a href="{{ "/portfolio/" | relLangURL }}" data-name="..">
       <span class="tui__perm">drwxr-xr-x</span><span class="tui__name">..</span>
     </a></li>
     {{ if $hasText }}