Generacion de estructura ddd para backend

feat: Refactor API structure by consolidating endpoints and removing deprecated files

backend/router_v1.py

@@ -0,0 +1,12 @@
+# backend/api/router_v1.py
+
+from fastapi import APIRouter
+from backend.domains.experiments import charts_examples_endpoint_v1 as charts
+from backend.domains.experiments import ping_endpoint_v1
+from backend.domains.text_manager import text_manager_endpoint_v1
+
+
+router = APIRouter()
+router.include_router(ping_endpoint_v1.router, prefix="/api/v1/ping")
+router.include_router(text_manager_endpoint_v1.router, prefix="/api/v1/text_manager")
+router.include_router(charts.router, prefix="/api/v1/charts")