First cut of item-with-feed and list impl

- Add strict types to all files
- Convert many queries to document commands

src/lib/Feed.php

@@ -1,4 +1,5 @@
-<?php
+<?php declare(strict_types=1);
+
 namespace FeedReaderCentral;
 
 use BitBadger\Documents\DocumentException;
@@ -10,6 +11,7 @@ use BitBadger\Documents\SQLite\Custom;
 use BitBadger\Documents\SQLite\Document;
 use BitBadger\Documents\SQLite\Exists;
 use BitBadger\Documents\SQLite\Find;
+use BitBadger\Documents\SQLite\Parameters;
 use BitBadger\Documents\SQLite\Patch;
 use DateTimeInterface;
 use SQLite3;
@@ -137,7 +139,7 @@ class Feed
                 SQL;
         }
         try {
-            Custom::nonQuery($sql, array_merge(array_map($it -> $it->asParameter(), $fields)), $db);
+            Custom::nonQuery($sql, Parameters::addFields($fields, []), $db);
             return ['ok' => true];
         } catch (DocumentException $ex) {
             return ['error' => "$ex"];