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>

composer.json

@@ -1,8 +1,31 @@
 {
     "name": "security-linter/php-laravel",
-    "description": "Security linter for PHP and Laravel applications",
+    "description": "A static security analysis tool for PHP and Laravel applications with recursive taint analysis",
+    "version": "0.0.1",
     "type": "project",
     "license": "MIT",
+    "keywords": [
+        "security",
+        "linter",
+        "static-analysis",
+        "php",
+        "laravel",
+        "xss",
+        "sql-injection",
+        "vulnerability",
+        "sast"
+    ],
+    "homepage": "https://github.com/security-linter/php-laravel",
+    "support": {
+        "issues": "https://github.com/security-linter/php-laravel/issues",
+        "source": "https://github.com/security-linter/php-laravel"
+    },
+    "authors": [
+        {
+            "name": "Security Linter Contributors",
+            "homepage": "https://github.com/security-linter/php-laravel/contributors"
+        }
+    ],
     "autoload": {
         "psr-4": {
             "SecurityLinter\\": "src/"
@@ -12,5 +35,13 @@
         "php": ">=8.1",
         "nikic/php-parser": "^5.0"
     },
-    "bin": ["bin/security-lint"]
+    "require-dev": {
+        "phpunit/phpunit": "^10.0"
+    },
+    "bin": [
+        "bin/security-lint"
+    ],
+    "config": {
+        "sort-packages": true
+    }
 }