feat: add connect to bank dialog

packages/webapp/src/store/banking/banking.reducer.ts

@@ -0,0 +1,20 @@
+import { PayloadAction, createSlice } from '@reduxjs/toolkit';
+
+interface StorePlaidState {
+  plaidToken: string;
+}
+
+export const PlaidSlice = createSlice({
+  name: 'plaid',
+  initialState: {
+    plaidToken: '',
+  } as StorePlaidState,
+  reducers: {
+    setPlaidId: (state: StorePlaidState, action: PayloadAction<string>) => {
+      state.plaidToken = action.payload;
+    },
+  },
+});
+
+export const { setPlaidId } = PlaidSlice.actions;
+export const getPlaidToken = (state: any) => state.plaid.plaidToken;