Add a search template (#320)

* Add a search tempate.

* Make the search field standard-width.

templates/search.html

@@ -0,0 +1,41 @@
+<!-- wp:template-part {"slug":"header","tagName":"header"} /-->
+
+<!-- wp:group {"style":{"spacing":{"padding":{"bottom":"var(--wp--custom--spacing--large, 8rem)"}}},"layout":{"inherit":true}} -->
+<div class="wp-block-group" style="padding-bottom:var(--wp--custom--spacing--large, 8rem)"><!-- wp:search {"label":"Search","showLabel":false,"width":100,"widthUnit":"%","buttonText":"Search","buttonUseIcon":true} /--></div>
+<!-- /wp:group -->
+
+<!-- wp:query {"query":{"perPage":10,"pages":0,"offset":0,"postType":"post","categoryIds":[],"tagIds":[],"order":"desc","orderBy":"date","author":"","search":"","exclude":[],"sticky":"","inherit":true},"layout":{"inherit":true},"tagName":"main"} -->
+<main class="wp-block-query"><!-- wp:post-template {"align":"wide"} -->
+<!-- wp:group {"layout":{"inherit":true}} -->
+<div class="wp-block-group"><!-- wp:post-title {"isLink":true,"align":"wide","fontSize":"var(--wp--custom--typography--font-size--huge, clamp(2.25rem, 4vw, 2.75rem))"} /-->
+
+<!-- wp:post-featured-image {"isLink":true,"align":"wide","style":{"spacing":{"margin":{"top":"calc(1.75 * var(--wp--style--block-gap))"}}}} /-->
+
+<!-- wp:columns {"align":"wide"} -->
+<div class="wp-block-columns alignwide"><!-- wp:column {"width":"650px"} -->
+<div class="wp-block-column" style="flex-basis:650px"><!-- wp:post-excerpt /-->
+
+<!-- wp:post-date {"isLink":true,"format":"F j, Y","style":{"typography":{"fontStyle":"italic","fontWeight":"400"}},"fontSize":"small"} /--></div>
+<!-- /wp:column -->
+
+<!-- wp:column {"width":""} -->
+<div class="wp-block-column"></div>
+<!-- /wp:column --></div>
+<!-- /wp:columns -->
+
+<!-- wp:spacer {"height":112} -->
+<div style="height:112px" aria-hidden="true" class="wp-block-spacer"></div>
+<!-- /wp:spacer --></div>
+<!-- /wp:group -->
+<!-- /wp:post-template -->
+
+<!-- wp:query-pagination {"paginationArrow":"arrow","align":"wide","layout":{"type":"flex","justifyContent":"space-between"}} -->
+<!-- wp:query-pagination-previous {"fontSize":"small"} /-->
+
+<!-- wp:query-pagination-numbers /-->
+
+<!-- wp:query-pagination-next {"fontSize":"small"} /-->
+<!-- /wp:query-pagination --></main>
+<!-- /wp:query -->
+
+<!-- wp:template-part {"slug":"footer","tagName":"footer"} /-->