Move "core" folder out of "features" into "base"

src/lib/dnd-kit/DndKitUtil.ts

@@ -17,7 +17,7 @@ import {
     useSensors,
 } from '@dnd-kit/core';
 import { AbstractPointerSensorOptions, PointerActivationConstraint } from '@dnd-kit/core/dist/sensors';
-import { MediaQuery } from '@/features/core/utils/MediaQuery.tsx';
+import { MediaQuery } from '@/base/utils/MediaQuery.tsx';
 
 export class DndKitUtil {
     static getSensorForDevice(): Sensor<PointerSensorOptions> {

src/lib/dnd-kit/DndSortableItem.tsx

@@ -11,7 +11,7 @@ import { useSortable } from '@dnd-kit/sortable';
 import { ReactNode } from 'react';
 import { UniqueIdentifier } from '@dnd-kit/core';
 import { CSS } from '@dnd-kit/utilities';
-import { applyStyles } from '@/features/core/utils/ApplyStyles.ts';
+import { applyStyles } from '@/base/utils/ApplyStyles.ts';
 
 export const DndSortableItem = ({
     id,

src/lib/virtuoso/Virtuoso.util.tsx

@@ -8,7 +8,7 @@
 
 import { useCallback, useEffect, useMemo, useRef } from 'react';
 import { useLocation } from 'react-router-dom';
-import { useSessionStorage } from '@/features/core/hooks/useStorage.tsx';
+import { useSessionStorage } from '@/base/hooks/useStorage.tsx';
 import { AppStorage } from '@/lib/storage/AppStorage.ts';
 
 export class VirtuosoUtil {