feat: add state management using zustand

src/store/index.ts

@@ -0,0 +1,18 @@
+import { createStore } from 'zustand'
+import { subscribeWithSelector } from 'zustand/middleware'
+import { MODULE_NAME } from '@/constants'
+import { type ConfigSlice, createConfigSlice } from '@/store/configSlice'
+
+export const useStore = createStore<ConfigSlice>()(
+  subscribeWithSelector(createConfigSlice)
+)
+
+useStore.subscribe(
+  (state) => state.wordLists,
+  (wordLists) => {
+    const context = SillyTavern.getContext()
+    // biome-ignore lint/suspicious/noExplicitAny: SillyTavern's extensionSettings is not properly typed
+    const extensionSettings: Record<string, any> = context.extensionSettings
+    extensionSettings[MODULE_NAME] = { wordLists }
+  }
+)