refacto sdocs & add config.php

refacto sdocs & add config.php to hide mdp & gitignore for no commit mdp

.gitignore

@@ -0,0 +1,2 @@
+# Fichiers de configuration locaux
+www/config.php

www/api.php

@@ -1,10 +1,7 @@
 <?php
 header('Content-Type: application/json');
 
-$host = '172.22.0.3';
-$dbname = 'OpenPlanetsMaps';
-$username = 'root';
-$password = 'admin123';
+require_once __DIR__ . '/config.php';
 
 try {
     $options = [PDO::MYSQL_ATTR_INIT_COMMAND => "SET NAMES utf8", PDO::ATTR_EMULATE_PREPARES => false];