feat:新增网站通知，右上角显示，只显示一次同一个内容

main.py

@@ -7,6 +7,7 @@ import asyncio
 from fastapi import FastAPI
 from fastapi.middleware.cors import CORSMiddleware
 from fastapi.responses import HTMLResponse
+from fastapi.staticfiles import StaticFiles
 from tortoise.contrib.fastapi import register_tortoise
 
 from apps.base.models import KeyValue
@@ -26,6 +27,8 @@ app.add_middleware(
     allow_headers=["*"],
 )
 
+app.mount('/assets', StaticFiles(directory='./fcb-fronted/dist/assets'), name="assets")
+
 register_tortoise(
     app,
     generate_schemas=True,