add an example database

Close #1

Author: Ruesa18

README.md

@@ -17,6 +17,9 @@ Well... Here we go then!
 ## Installation
 In order to have a configuration file copy the `.env.example` file and name it `.env`.
 
+### Example API
+If you wanna use the example API, you will need to import the `sql/db.sql` script in a MySQL environment. Don't forget to connect PhRe-API with your database by configuring the credentials inside the `.env` file.
+
 ## Configuration
 Inside of the `.env`-file there are a few settings you might wanna check.
 You can for example specify which kinds of messages will be outputted and which ones will be suppressed.

sql/db.sql

@@ -0,0 +1,66 @@
+-- phpMyAdmin SQL Dump
+-- version 5.1.1
+-- https://www.phpmyadmin.net/
+--
+-- Host: localhost:8889
+-- Erstellungszeit: 14. Apr 2022 um 20:39
+-- Server-Version: 5.7.34
+-- PHP-Version: 8.0.8
+
+SET SQL_MODE = "NO_AUTO_VALUE_ON_ZERO";
+START TRANSACTION;
+SET time_zone = "+00:00";
+
+
+/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
+/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
+/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
+/*!40101 SET NAMES utf8mb4 */;
+
+--
+-- Datenbank: `phre-api`
+--
+
+-- --------------------------------------------------------
+
+--
+-- Tabellenstruktur für Tabelle `user`
+--
+
+CREATE TABLE `user` (
+  `ID` int(11) NOT NULL,
+  `username` varchar(100) NOT NULL,
+  `password` varchar(255) NOT NULL
+) ENGINE=InnoDB DEFAULT CHARSET=utf8;
+
+--
+-- Daten für Tabelle `user`
+--
+
+INSERT INTO `user` (`ID`, `username`, `password`) VALUES
+(1, 'test.user', 'I am a password ;)');
+
+--
+-- Indizes der exportierten Tabellen
+--
+
+--
+-- Indizes für die Tabelle `user`
+--
+ALTER TABLE `user`
+  ADD PRIMARY KEY (`ID`);
+
+--
+-- AUTO_INCREMENT für exportierte Tabellen
+--
+
+--
+-- AUTO_INCREMENT für Tabelle `user`
+--
+ALTER TABLE `user`
+  MODIFY `ID` int(11) NOT NULL AUTO_INCREMENT, AUTO_INCREMENT=2;
+COMMIT;
+
+/*!40101 SET CHARACTER_SET_CLIENT=@OLD_CHARACTER_SET_CLIENT */;
+/*!40101 SET CHARACTER_SET_RESULTS=@OLD_CHARACTER_SET_RESULTS */;
+/*!40101 SET COLLATION_CONNECTION=@OLD_COLLATION_CONNECTION */;