Created installation script and installation command

bin/install

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+#!/usr/bin/env php
+<?php
+use Shlinkio\Shlink\CLI\Command\Install\InstallCommand;
+use Symfony\Component\Console\Application;
+
+require __DIR__ . '/../vendor/autoload.php';
+
+$app = new Application();
+$app->add(new InstallCommand());
+$app->setDefaultCommand('shlink:install');
+$app->run();

config/params/.gitignore

@@ -0,0 +1,2 @@
+*
+!.gitignore

module/CLI/src/Command/Install/InstallCommand.php

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+<?php
+namespace Shlinkio\Shlink\CLI\Command\Install;
+
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Helper\QuestionHelper;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Question\Question;
+
+class InstallCommand extends Command
+{
+    /**
+     * @var InputInterface
+     */
+    private $input;
+    /**
+     * @var OutputInterface
+     */
+    private $output;
+
+    public function configure()
+    {
+        $this->setName('shlink:install')
+             ->setDescription('Installs Shlink');
+    }
+
+    public function execute(InputInterface $input, OutputInterface $output)
+    {
+        $this->input = $input;
+        $this->output = $output;
+        $params = [];
+
+        $output->writeln([
+            '<info>Welcome to Shlink!!</info>',
+            'This will guide you through the installation process.',
+        ]);
+
+        $params['DB_NAME'] = $this->ask('Database name', 'shlink');
+    }
+
+    /**
+     * @param string $text
+     * @param string|null $default
+     * @return string
+     */
+    protected function ask($text, $default = null)
+    {
+        /** @var QuestionHelper $questionHelper */
+        $questionHelper = $this->getHelper('question');
+
+        if (isset($default)) {
+            $text .= ' (defaults to ' . $default . ')';
+        }
+        return $questionHelper->ask($this->input, $this->output, new Question(
+            '    <question>' . $text . ':</question> ',
+            $default
+        ));
+    }
+}