refactor and cleanup

redux/thunks/database/addPoiThunk.js

@@ -0,0 +1,11 @@
+// /redux/thunks/database/addPoiThunk.js
+import { createAsyncThunk } from "@reduxjs/toolkit";
+import { addPoiService } from "../../../services/database/addPoiService";
+
+export const addPoiThunk = createAsyncThunk("poi/add", async (formData, thunkAPI) => {
+  try {
+    return await addPoiService(formData);
+  } catch (error) {
+    return thunkAPI.rejectWithValue(error.message);
+  }
+});