include HTML page http://localhost:8080/perspektivwerk/ into server

development-system/public/.htaccess

@@ -40,6 +40,10 @@
     RewriteCond %{ENV:REDIRECT_STATUS} ^$
     RewriteRule ^index\.php(?:/(.*)|$) %{ENV:BASE}/$1 [R=301,L]
 
+    # Serve the standalone Perspektivwerk mockup instead of passing the
+    # directory request to Contao's front controller.
+    RewriteRule ^perspektivwerk/?$ perspektivwerk/index.html [L]
+
     # If the requested filename exists, simply serve it.
     # We only want to let Apache serve files and not directories.
     RewriteCond %{REQUEST_FILENAME} -f