Initial commit: OAuth IAM Laravel application

Laravel-based OAuth/IAM service with Passport, Vue 3 frontend, and
Docker Compose setup for local and production deployment.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

docker/php/production.ini

@@ -0,0 +1,8 @@
+memory_limit = 256M
+upload_max_filesize = 20M
+post_max_size = 20M
+max_execution_time = 60
+expose_php = Off
+display_errors = Off
+log_errors = On
+error_log = /proc/self/fd/2