Refactor all exception classes, remove unclear RuntimeException, InvalidArgumentException

src/SPC/exception/EnvironmentException.php

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+namespace SPC\exception;
+
+/**
+ * EnvironmentException is thrown when there is an issue with the environment setup,
+ * such as missing dependencies or incorrect configurations.
+ */
+class EnvironmentException extends SPCException
+{
+    public function __construct(string $message, private readonly ?string $solution = null)
+    {
+        parent::__construct($message);
+    }
+
+    /**
+     * Returns the solution for the environment issue.
+     */
+    public function getSolution(): ?string
+    {
+        return $this->solution;
+    }
+}