Added plugins and build tools

plugins/com.noccy.docker/DockerCompose/Stack.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace SparkPlug\Com\Noccy\Docker\DockerCompose;
+
+use Symfony\Component\Yaml\Yaml;
+
+class Stack 
+{
+
+    private array $compose;
+
+    private string $version;
+
+    private array $services;
+
+    public function __construct(string $filename)
+    {
+        $this->compose = Yaml::parseFile($filename);
+
+        $this->version = $this->compose['version']??null;
+        $this->enumServices();
+    }
+
+    private function enumServices()
+    {
+        foreach ($this->compose['services'] as $service=>$config) {
+            $this->services[$service] = new Service($config, $this);
+        }
+    }
+
+    public function getServiceNames(): array
+    {
+        return array_keys($this->services);
+    }
+
+    public function getService(string $name): ?Service
+    {
+        return $this->services[$name] ?? null;
+    }
+
+}
+