Fix bin/publish: copy docs.dist from project root

Fix bin/publish: use correct .env path for rspade_system
Fix bin/publish script: prevent grep exit code 1 from terminating script

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

vendor/spatie/error-solutions/src/Contracts/BaseSolution.php

@@ -0,0 +1,65 @@
+<?php
+
+namespace Spatie\ErrorSolutions\Contracts;
+
+class BaseSolution implements Solution
+{
+    protected string $title;
+
+    protected string $description = '';
+
+    /** @var array<string, string> */
+    protected array $links = [];
+
+    public static function create(string $title = ''): static
+    {
+        // It's important to keep the return type as static because
+        // the old Facade Ignition contracts extend from this method.
+
+        /** @phpstan-ignore-next-line */
+        return new static($title);
+    }
+
+    public function __construct(string $title = '')
+    {
+        $this->title = $title;
+    }
+
+    public function getSolutionTitle(): string
+    {
+        return $this->title;
+    }
+
+    public function setSolutionTitle(string $title): self
+    {
+        $this->title = $title;
+
+        return $this;
+    }
+
+    public function getSolutionDescription(): string
+    {
+        return $this->description;
+    }
+
+    public function setSolutionDescription(string $description): self
+    {
+        $this->description = $description;
+
+        return $this;
+    }
+
+    /** @return array<string, string> */
+    public function getDocumentationLinks(): array
+    {
+        return $this->links;
+    }
+
+    /** @param array<string, string> $links */
+    public function setDocumentationLinks(array $links): self
+    {
+        $this->links = $links;
+
+        return $this;
+    }
+}