Shopping List backend implementation

- Implemented fetching, create and update of groceries in db

hooks/firebase/useUpdateGrocery.ts

@@ -0,0 +1,25 @@
+import {useMutation, useQueryClient} from "react-query";
+import firestore from "@react-native-firebase/firestore";
+import {IGrocery} from "@/hooks/firebase/types/groceryData";
+
+export const useUpdateGrocery = () => {
+    const queryClients = useQueryClient()
+
+    return useMutation({
+        mutationKey: ["updateGrocery"],
+        mutationFn: async (groceryData: Partial<IGrocery>) => {
+            console.log(groceryData);
+            try {
+                await firestore()
+                    .collection("Groceries")
+                    .doc(groceryData.id)
+                    .update(groceryData);
+            } catch (e) {
+                console.error(e)
+            }
+        },
+        onSuccess: () => {
+            queryClients.invalidateQueries("events")
+        }
+    })
+}