DDev/Lando configuration and documentation

Closes #3481262

.lando.yml

+# Copy into .lando.yml.
+# Change SITE in url.
+
+# Add vite service container.
+services:
+  vite:
+    type: node:20 # Node version.
+    ssl: true # Support SSL.
+    sslExpose: false # Don't expose SSL port.
+    port: 5173 # Default vite url.
+    scanner: false # Don't scan on boot.
+# Proxy container url to vite port.
+proxy:
+  vite:
+    - vite.SITE.lndo.site:5173