Prepare for OSS release v0.0.1

Version updates:
- Set version to 0.0.1 across all files
- Update CLI banner, SARIF output, and documentation

New files:
- LICENSE: MIT license
- CHANGELOG.md: Initial changelog with all features
- CONTRIBUTING.md: Contribution guidelines

composer.json enhancements:
- Add version, keywords, homepage, support URLs
- Add authors section
- Add require-dev for PHPUnit

README.md updates:
- Update repository URLs to security-linter/php-laravel
- Update Docker image references

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

src/Report/ReportGenerator.php

@@ -299,7 +299,7 @@ HTML;
                     'tool' => [
                         'driver' => [
                             'name' => 'PHP/Laravel Security Linter',
-                            'version' => '1.0.0',
+                            'version' => '0.0.1',
                         ],
                     ],
                     'results' => $results,