Complete backend API and deployment guide

- Django REST API with lobster endpoints
- API views: list, detail, memory, tools
- Deployment guide with instructions
- Startup script for easy launch
- Requirements.txt for dependencies
- API URL routing

code/backend/api/urls.py

@@ -0,0 +1,12 @@
+"""
+API URL configuration.
+"""
+from django.urls import path
+from . import views
+
+urlpatterns = [
+    path('lobsters/', views.lobster_list, name='lobster-list'),
+    path('lobsters/<int:lobster_id>/', views.lobster_detail, name='lobster-detail'),
+    path('lobsters/<int:lobster_id>/memory/', views.lobster_memory, name='lobster-memory'),
+    path('tools/', views.tools_list, name='tools-list'),
+]