feat: Add main CSS styles for the application

feat: Refactor Dashboard template to extend base layout and improve structure

feat: Enhance Parameter Input template with improved layout and feedback mechanisms

feat: Update Scenario Form template to utilize base layout and improve user experience

feat: Create base layout template for consistent styling across pages

feat: Add Consumption, Costs, Equipment, Maintenance, Production, Reporting, and Simulations templates with placeholders for future functionality

feat: Implement base header and footer partials for consistent navigation and footer across the application

main.py

@@ -1,8 +1,10 @@
 from routes.distributions import router as distributions_router
 from routes.ui import router as ui_router
 from routes.parameters import router as parameters_router
-from fastapi import FastAPI
-from fastapi.middleware import Middleware
+from typing import Awaitable, Callable
+
+from fastapi import FastAPI, Request, Response
+from fastapi.staticfiles import StaticFiles
 from middleware.validation import validate_json
 from config.database import Base, engine
 from routes.scenarios import router as scenarios_router
@@ -18,8 +20,15 @@ from routes.maintenance import router as maintenance_router
 Base.metadata.create_all(bind=engine)
 
 app = FastAPI()
-# Register validation middleware
-app.middleware("http")(validate_json)
+
+
+@app.middleware("http")
+async def json_validation(
+    request: Request, call_next: Callable[[Request], Awaitable[Response]]
+) -> Response:
+    return await validate_json(request, call_next)
+
+app.mount("/static", StaticFiles(directory="static"), name="static")
 
 # Include API routers
 app.include_router(scenarios_router)