PhotosIndex: add dualMixed layout

This combines one landscape with one portrait.

templates/PhotosIndex.php

@@ -270,6 +270,29 @@ class PhotosIndex extends Template
 				</div>';
 	}
 
+	protected function dualMixed(array $photos, $altLayout)
+	{
+		$image = array_shift($photos);
+
+		echo '
+				<div class="row g-5 mb-5 tile-feat-landscape',
+					$altLayout ? ' flex-row-reverse' : '', '">
+					<div class="col-md-8">';
+
+		$this->photo($image, 'landscape', static::LANDSCAPE_WIDTH, static::LANDSCAPE_HEIGHT, 'top');
+
+		echo '
+					</div>
+					<div class="col-md-4">';
+
+		$this->photo($image, 'portrait', static::PORTRAIT_WIDTH, static::PORTRAIT_HEIGHT, true);
+
+		echo '
+						</div>
+					</div>
+				</div>';
+	}
+
 	protected function dualPortraits(array $photos, $altLayout)
 	{
 		// Recycle the row layout so portraits don't appear too large