feat: add Docker deployment workflow

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

.dockerignore

@@ -0,0 +1,26 @@
+.git
+.github
+.claude
+.moon/cache
+node_modules
+**/node_modules
+.env
+.env.*
+!.env.example
+Dockerfile
+docker-compose.yml
+Machine_Learning/dataset
+Machine_Learning/dataset.zip
+Machine_Learning/dataset_*.zip
+Machine_Learning/model
+Machine_Learning/best_model/*
+!Machine_Learning/best_model/best_model.keras
+apps/web/dist
+apps/api/dist
+__pycache__
+*.pyc
+.pytest_cache
+.venv
+venv
+**/.venv
+**/venv