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/cli-start.php

@@ -1,4 +1,5 @@
-<?php
+<?php declare(strict_types=1);
+
 require 'app-config.php';
 
 if (php_sapi_name() != 'cli') {
@@ -12,7 +13,8 @@ if (php_sapi_name() != 'cli') {
  * @param string $format The format string
  * @param mixed ...$values The values for the placeholders in the string
  */
-function printfn(string $format, mixed ...$values): void {
+function printfn(string $format, mixed ...$values): void
+{
     printf($format . PHP_EOL, ...$values);
 }
 
@@ -21,7 +23,8 @@ function printfn(string $format, mixed ...$values): void {
  *
  * @param string $title The title to display on the command line
  */
-function cli_title(string $title): void {
+function cli_title(string $title): void
+{
     $appTitle = 'Feed Reader Central ~ ' . display_version();
     $dashes   = '  +' . str_repeat('-', strlen($title) + 2) . '+' . str_repeat('-', strlen($appTitle) + 2) . '+';
     printfn($dashes);