Implement stow config file and folder unwrapping

Move includes to their own folder, config.php will otherwise be included
and cleans up nicely

php/includes/argvParser.php

@@ -0,0 +1,85 @@
+<?php
+
+class argParsed
+{
+    public function __construct(
+        private array $parsed = [],
+    ) {}
+
+    public function initOptions(array $options, mixed $default = false): self
+    {
+        foreach (array_keys($options) as $name) {
+            $this->set($name, $default);
+        }
+
+        return $this;
+    }
+
+    public function get(string $key, mixed $default = null): mixed
+    {
+        return $this->parsed[$key] ?? $default;
+    }
+
+    public function set(string $key, mixed $value): self
+    {
+        $this->parsed[$key] = $value;
+        return $this;
+    }
+
+    public function getRest(): string
+    {
+        return $this->get('rest', '');
+    }
+}
+
+readonly class argvParser
+{
+    /**
+     * @param array<string, string> $options
+     * @param array<string, string> $arguments
+     */
+    public function __construct(
+        private array $options = [],
+        private array $arguments = [],
+    ) {}
+
+    public function getOptionsHelp(): string
+    {
+        $line = '';
+        foreach ($this->options as $option => $description) {
+            $line .= sprintf('[-%s (%s)] ', $option, $description);
+        }
+        foreach ($this->arguments as $argument => $description) {
+            $line .= sprintf('<%s (%s)> ', $argument, $description);
+        }
+        return $line;
+    }
+
+    public function parseArgv(array $argv): argParsed|false
+    {
+        array_shift($argv); // shift the script name
+
+        $parsed = (new argParsed())->initOptions($this->options);
+        while (str_starts_with($argv[0] ?? '', '-')) {
+            $option = substr($argv[0], 1, 1);
+            if (substr($argv[0], 2, 1) === ':') {
+                $data = substr($argv[0], 3);
+            } else {
+                $data = true;
+            }
+            if ($this->options[$option]) {
+                $parsed->set($option, $data);
+            }
+            array_shift($argv);
+        }
+        if (count($argv) < count($this->arguments)) {
+            return false;
+        }
+        foreach ($this->arguments as $arg => $description) {
+            $parsed->set($arg, array_shift($argv));
+        }
+        $parsed->set('rest', implode(' ', $argv));
+
+        return $parsed;
+    }
+}