Add filters state and fetch logic in DocSearchView

Updated imports to include useEffect for side effects.
Introduced a new state variable `filters` to manage Filter objects.
Implemented useEffect to asynchronously fetch filters using getFiltersAsync.

src/client/dd-hub-react/src/sections/document/view/doc-search-view.tsx

@@ -1,4 +1,4 @@
-import { useState, useCallback } from 'react';
+import { useState, useCallback, useEffect } from 'react';
 
 import Box from '@mui/material/Box';
 import Grid from '@mui/material/Grid';
@@ -7,6 +7,7 @@ import Typography from '@mui/material/Typography';
 import Pagination from '@mui/material/Pagination';
 
 import { DashboardContent } from 'src/layouts/dashboard';
+import { Filter, getFiltersAsync } from 'src/api/filter-service';
 
 import { Iconify } from 'src/components/iconify';
 
@@ -25,10 +26,18 @@ type Props = {
 export function DocSearchView({ posts }: Props) {
   const [sortBy, setSortBy] = useState('latest');
 
+  const [filters, setFilters] = useState<Filter[]>()
+
   const handleSort = useCallback((newSort: string) => {
     setSortBy(newSort);
   }, []);
 
+  useEffect(() => {
+    getFiltersAsync().then((res) => {
+      setFilters(res);
+    });
+  }, []);
+
   return (
     <DashboardContent>
       <Box