Documents and Documentation (beta 1) (#23)

- Change to SQLite document store
- Complete documentation on usage of Feed Reader Central
- Update INSTALLING.md for new installation procedures

Reviewed-on: #23

src/app-config.php

@@ -1,10 +1,9 @@
 <?php declare(strict_types=1);
 
-/** The current Feed Reader Central version */
-
 use BitBadger\PDODocument\{AutoId, Configuration};
 use FeedReaderCentral\Data;
 
+/** The current Feed Reader Central version */
 const FRC_VERSION = '1.0.0-beta1';
 
 /**