Work on updating the default templates to better match Blank Canvas (#3522)

* Update the default templates to better match Blank Canvas

* Added footer template part definition

blank-canvas-blocks/block-template-parts/footer.html

@@ -0,0 +1,7 @@
+<!-- wp:group -->
+<div class="wp-block-group">
+	<!-- wp:paragraph {"align":"center","fontSize":"tiny"} -->
+	<p class="has-text-align-center has-tiny-font-size">Proudly Powered by WordPress</p>
+	<!-- /wp:paragraph -->
+</div>
+<!-- /wp:group -->

blank-canvas-blocks/block-template-parts/header.html

@@ -1,2 +1,5 @@
-<!-- wp:navigation {"orientation":"horizontal","itemsJustification":"right"} -->
-<!-- /wp:navigation -->
+<!-- wp:group -->
+<div class="wp-block-group"><!-- wp:site-title {"textAlign":"center"} /-->
+	<!-- wp:site-tagline {"textAlign":"center"} /-->
+</div>
+<!-- /wp:group -->

blank-canvas-blocks/block-template-parts/navigation.html

@@ -0,0 +1,2 @@
+<!-- wp:navigation {"orientation":"horizontal","itemsJustification":"center"} -->
+<!-- /wp:navigation -->

blank-canvas-blocks/block-templates/404.html

@@ -0,0 +1,19 @@
+<!-- wp:template-part {"slug":"header","tagName":"header"} /-->
+<!-- wp:template-part {"slug":"navigation","tagName":"navigation"} /-->
+
+<!-- wp:group {"layout":{"inherit":true}} -->
+<div class="wp-block-group">
+
+<!-- wp:heading {"textAlign":"center","level":1,"fontSize":"large"} -->
+<h1 class="has-text-align-center has-large-font-size">Oops! That page can’t be found.</h1>
+<!-- /wp:heading -->
+
+<!-- wp:paragraph -->
+<p>It looks like nothing was found at this location. Maybe try a search?</p>
+<!-- /wp:paragraph -->
+
+<!-- wp:search {"label":"","buttonText":"Search"} /-->
+</div>
+<!-- /wp:group -->
+
+<!-- wp:template-part {"slug":"footer","tagName":"footer"} /-->

blank-canvas-blocks/block-templates/index.html

@@ -1,9 +1 @@
-<!-- wp:template-part {"slug":"header","tagName":"header"} /-->
-
-<!-- wp:query -->
-	<!-- wp:query-loop -->
-		<!-- wp:post-title {"isLink":true} /-->
-	<!-- /wp:query-loop -->
-<!-- /wp:query -->
-
 <!-- wp:post-content {"layout":{"inherit":true}} /-->

blank-canvas-blocks/block-templates/search.html

@@ -0,0 +1,23 @@
+<!-- wp:template-part {"slug":"header","tagName":"header"} /-->
+<!-- wp:template-part {"slug":"navigation","tagName":"navigation"} /-->
+
+<!-- wp:group {"layout":{"inherit":true}} -->
+<div class="wp-block-group">
+
+<!-- wp:heading -->
+<h2>Results:</h2>
+<!-- /wp:heading -->
+
+<!-- wp:query {"queryId":1,"query":{"perPage":10,"pages":0,"offset":0,"postType":"post","categoryIds":[],"tagIds":[],"order":"desc","orderBy":"date","author":"","search":"","exclude":[],"sticky":"","inherit":true}} -->
+<!-- wp:query-loop -->
+
+	<!-- wp:post-title {"level":5,"isLink":true} /-->
+	<!-- wp:post-excerpt /-->
+
+<!-- /wp:query-loop -->
+<!-- /wp:query -->
+
+</div>
+<!-- /wp:group -->
+
+<!-- wp:template-part {"slug":"footer","tagName":"footer"} /-->

blank-canvas-blocks/experimental-theme.json

@@ -3,6 +3,14 @@
 		{
 			"name": "header",
 			"area": "header"
+		},
+		{
+			"name": "footer",
+			"area": "footer"
+		},
+		{
+			"name": "navigation",
+			"area": "navigation"
 		}
 	],
 	"settings": {
@@ -359,7 +367,11 @@
 		},
 		"core/site-title": {
 			"typography": {
-				"fontSize": "var(--wp--preset--font-size--large)"
+				"fontSize": "60px",
+				"fontWeight": 700
+			},
+			"color": {
+				"link": "black"
 			}
 		},
 		"core/navigation": {