Added new fields for the blog post

Author: magefan

etc/schema.graphqls

@@ -123,6 +123,9 @@ type BlogPost {
     position: Int @doc(description: "Blog Post Position")
     first_image: String @doc(description: "Blog Post first image")
     featured_image: String @doc(description: "Blog Post Featured image")
+    featured_img_alt: String @doc(description: "Blog Post Featured image alt text")
+    featured_list_image: String @doc(description: "Blog Post Featured List image")
+    featured_list_img_alt: String @doc(description: "Blog Post Featured List image alt text")
     author: BlogAuthor @doc(description: "Blog Post Author")
     author_id: Int @doc(description: "Blog Post Author Id")
     search: String @doc(description: "Blog Post Search Term")