Initial commit: Fleet Management app with security hardening and background launcher

- Flask app with SQLAlchemy, Flask-Login, Flask-Mail
- Admin/owner roles, vessel management, charters, work orders
- Background launcher (Iniciar.vbs) runs server without terminal window
- Root redirect fixed: / → /login
- debug=False, use_reloader=False for pythonw.exe compatibility

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,47 @@
+# Python
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+*.egg-info/
+.eggs/
+dist/
+build/
+
+# Virtual environment
+venv/
+env/
+.venv/
+
+# Database
+instance/
+*.db
+*.sqlite
+*.sqlite3
+
+# Logs
+logs/
+
+# Environment variables
+.env
+.env.*
+
+# IDE / tools
+.vscode/
+.idea/
+.claude/
+*.code-workspace
+
+# OS
+Thumbs.db
+Desktop.ini
+.DS_Store
+
+# Uploads / generated files
+static/uploads/
+static/pdfs/
+static/logos/
+
+# Misc
+*.zip
+*.bak