Added PDO shell plugin

plugins/com.noccy.pdo.shell/PdoShellCommand.php

@@ -0,0 +1,29 @@
+<?php
+
+namespace SparkPlug\Com\Noccy\Pdo\Shell;
+
+use Spark\Commands\Command;
+use Symfony\Component\Console\Helper\Table;
+use Symfony\Component\Console\Helper\TableSeparator;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputInterface;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+
+class PdoShellCommand extends Command {
+
+    protected function configure() {
+        $this->setName("pdo:shell");
+        $this->setDescription("Launch an interactive PDO shell");
+    }
+
+    protected function execute(InputInterface $input, OutputInterface $output)
+    {
+        $shell = new Shell\PdoShell($output);
+        $shell->run();
+
+        return Command::SUCCESS;
+    }
+
+}
+