Add (publish date): Change to datetime, show on view, save publishdate properly

add (composer): rss feed

database/migrations/2023_07_29_172738_add_publish_date_to_posts_table.php

@@ -12,7 +12,7 @@
     public function up(): void
     {
         Schema::table('posts', function (Blueprint $table) {
-            $table->date('publish_date')->nullable()->after('author_id');
+            $table->datetime('publish_date')->nullable()->after('author_id');
         });
     }