feat(directory-modal): add modal explaining how to submit boards to directories

src/stores/use-directory-modal-store.ts

@@ -0,0 +1,25 @@
+import { create } from 'zustand';
+
+interface DirectoryModalState {
+  showModal: boolean;
+  openDirectoryModal: () => void;
+  closeDirectoryModal: () => void;
+}
+
+const useDirectoryModalStore = create<DirectoryModalState>((set) => ({
+  showModal: false,
+
+  openDirectoryModal: () => {
+    set({
+      showModal: true,
+    });
+  },
+
+  closeDirectoryModal: () => {
+    set({
+      showModal: false,
+    });
+  },
+}));
+
+export default useDirectoryModalStore;