- Added the application feature - a big reason why Lean was created in the first place.

- Began moving some repetitive parts from projects to projects into lean

src/Lean.php

@@ -0,0 +1,99 @@
+<?php
+
+
+namespace Lean;
+
+use Psr\Container\ContainerInterface;
+
+class Lean
+{
+    const DEFAULT_PICEA_CONTEXT  = __NAMESPACE__;
+
+    protected ContainerInterface $container;
+
+    public array $applications = [];
+
+    public function __construct(ContainerInterface $container)
+    {
+        $this->container = $container;
+
+        $this->loadApplications();
+    }
+
+    protected function loadApplications() : void
+    {
+        $list = $this->container->get('config')['lean']['autoload'] ?? [];
+
+        if (! $list ) {
+            throw new \Exception("You must provide at least one application to autoload within your config file ( 'lean' => 'autoload' => [] )");
+        }
+
+        foreach($list as $application) {
+            if ( $this->container->has($application) ) {
+                $this->applications[] = ( new Application() )->fromArray($this->container->get($application));
+            }
+            else {
+                throw new \RuntimeException("Trying to load an application '$application' which have not been configured yet");
+            }
+        }
+    }
+
+    public function getPiceaContext() : string
+    {
+        foreach(array_reverse($this->applications) as $apps) {
+            if ( $apps->piceaContext ) {
+                return $apps->piceaContext;
+            }
+        }
+
+        return static::DEFAULT_PICEA_CONTEXT;
+    }
+
+    public function getRoutable() : array
+    {
+        return array_merge(...array_map(fn($app) => $app->routes ?? [], $this->applications));
+    }
+
+    public function getViewPaths() : array
+    {
+        $list = array_merge(...array_map(fn($app) => $app->views ?? [], $this->applications));
+
+        uasort($list, fn($i1, $i2) => $i1['order'] <=> $i2['order'] );
+
+        return $list;
+    }
+
+    public function getI18n(string $reader) : ? array
+    {
+        switch($reader) {
+            case "php":
+                $list = array_merge(...array_map(fn($app) => $app->tellPhp ?? [], $this->applications));
+            break;
+
+            case "json":
+                $list = array_merge(...array_map(fn($app) => $app->tellJson ?? [], $this->applications));
+            break;
+        }
+
+        if ( $list ?? false ) {
+            uasort($list, fn($i1, $i2) => $i2['order'] <=> $i1['order']);
+
+            return array_map(fn($item) => $item['path'], $list);
+        }
+
+        return null;
+    }
+
+    public static function definitions() : array
+    {
+        $path = dirname(__DIR__) . "/meta/definitions/";
+
+        return array_merge(
+            require($path . "http.php"),
+            require($path . "language.php"),
+            require($path . "routes.php"),
+            require($path . "software.php"),
+            require($path . "template.php"),
+        );
+    }
+}