refactor: POI-Daten vollständig in Redux integriert

- useFetchPoiData.js entfernt
- Neue Redux-Slices für POI-Typen und POI-Icons erstellt
- Neue Services und Thunks hinzugefügt
- fetch-Aufrufe durch zentralisierte Redux-Logik ersetzt
- store.js aktualisiert und neue States registriert

redux/slices/database/poiIconsDataSlice.js

@@ -0,0 +1,33 @@
+// /redux/slices/database/poiIconsDataSlice.js
+import { createSlice } from "@reduxjs/toolkit";
+import { fetchPoiIconsDataThunk } from "../../thunks/database/fetchPoiIconsDataThunk";
+
+const initialState = {
+  data: [],
+  status: "idle",
+  error: null,
+};
+
+const poiIconsDataSlice = createSlice({
+  name: "poiIconsData",
+  initialState,
+  reducers: {},
+  extraReducers: (builder) => {
+    builder
+      .addCase(fetchPoiIconsDataThunk.pending, (state) => {
+        state.status = "loading";
+      })
+      .addCase(fetchPoiIconsDataThunk.fulfilled, (state, action) => {
+        state.status = "succeeded";
+        state.data = action.payload;
+      })
+      .addCase(fetchPoiIconsDataThunk.rejected, (state, action) => {
+        state.status = "failed";
+        state.error = action.payload;
+      });
+  },
+});
+
+export default poiIconsDataSlice.reducer;
+export const selectPoiIconsData = (state) => state.poiIconsData.data;
+export const selectPoiIconsStatus = (state) => state.poiIconsData.status;

redux/slices/database/poiTypSlice.js

@@ -0,0 +1,33 @@
+// /redux/slices/database/poiTypSlice.js
+import { createSlice } from "@reduxjs/toolkit";
+import { fetchPoiTypThunk } from "../../thunks/database/fetchPoiTypThunk";
+
+const initialState = {
+  data: [],
+  status: "idle",
+  error: null,
+};
+
+const poiTypSlice = createSlice({
+  name: "poiTyp",
+  initialState,
+  reducers: {},
+  extraReducers: (builder) => {
+    builder
+      .addCase(fetchPoiTypThunk.pending, (state) => {
+        state.status = "loading";
+      })
+      .addCase(fetchPoiTypThunk.fulfilled, (state, action) => {
+        state.status = "succeeded";
+        state.data = action.payload;
+      })
+      .addCase(fetchPoiTypThunk.rejected, (state, action) => {
+        state.status = "failed";
+        state.error = action.payload;
+      });
+  },
+});
+
+export default poiTypSlice.reducer;
+export const selectPoiTypData = (state) => state.poiTyp.data;
+export const selectPoiTypStatus = (state) => state.poiTyp.status;