adding alt text for banner image

controllers/editor.php

@@ -3,8 +3,7 @@
 $app->get('/editor', function() use($app) {
   $user = require_login($app, false);
   $html = $app->render('editor.php', [
-    'user' => $user,
-    'syndication_targets' => json_decode($user->syndication_targets, true)
+    'user' => $user
   ]);
   $app->response()->body($html);
 });
@@ -25,6 +24,7 @@ $app->post('/editor/publish', function() use($app) {
         'name' => [$params['name']],
         'description' => [$params['description']],
         'image' => [$params['image']],
+        'imagealt' => [$params['imagealt']],
         'content' => [$content]
       );
       $json = true;
@@ -36,6 +36,7 @@ $app->post('/editor/publish', function() use($app) {
         'name' => [$params['name']],
         'description' => [$params['description']],
         'image' => [$params['image']],
+        'imagealt' => [$params['imagealt']],
         'content' => [$content]
       );
     }

public/editor-files/style.css

@@ -267,7 +267,7 @@ body, input {
   font-size: 24px;
   width: 100%;
 }
-#post-image {
+#post-image, #post-imagealt {
   margin-top: 20px;
   margin-bottom: 20px;
   border: 0;