working on backend

app/main.py

@@ -83,6 +83,7 @@ from app.api.customers import router as customers_router
 from app.api.files import router as files_router
 from app.api.financial import router as financial_router
 from app.api.documents import router as documents_router
+from app.api.billing import router as billing_router
 from app.api.search import router as search_router
 from app.api.admin import router as admin_router
 from app.api.import_data import router as import_router
@@ -99,6 +100,7 @@ app.include_router(auth_router, prefix="/api/auth", tags=["authentication"])
 app.include_router(customers_router, prefix="/api/customers", tags=["customers"])
 app.include_router(files_router, prefix="/api/files", tags=["files"])
 app.include_router(financial_router, prefix="/api/financial", tags=["financial"])
+app.include_router(billing_router, prefix="/api/billing", tags=["billing"])
 app.include_router(documents_router, prefix="/api/documents", tags=["documents"])
 app.include_router(search_router, prefix="/api/search", tags=["search"])
 app.include_router(admin_router, prefix="/api/admin", tags=["admin"])
@@ -157,6 +159,13 @@ async def financial_page(request: Request):
         "financial.html",
         {"request": request, "title": "Financial/Ledger - " + settings.app_name}
     )
+@app.get("/billing", response_class=HTMLResponse)
+async def billing_page(request: Request):
+    """Billing Statements page"""
+    return templates.TemplateResponse(
+        "billing.html",
+        {"request": request, "title": "Billing Statements - " + settings.app_name}
+    )
 
 
 @app.get("/documents", response_class=HTMLResponse)