Rainfall: Make the site title link color black

rainfall/theme.json

@@ -178,6 +178,11 @@
 					"link": {
 						"typography": {
 							"textDecoration": "none"
+						},
+						"color": {
+							"text": {
+								"ref": "styles.color.text"
+							}
 						}
 					}
 				},