refactor: nav and search.

feat: use recoil to replace redux
feat: use react-native

THIS IS NOT FINISHED. DONT USE THIS

client/src/store/submission.js

@@ -0,0 +1,37 @@
+import React from "react";
+import { useNavigate } from "react-router-dom";
+import {
+  RecoilRoot,
+  atom,
+  selector,
+  useRecoilState,
+  useRecoilValue,
+  useSetRecoilState,
+} from "recoil";
+import buildTree from "~/utils/buildTree";
+
+// current submission
+// submit any new value to this state will cause new message to be send.
+// set to null to give up any submission
+// {
+//   conversation, // target submission, must have: model, chatGptLabel, promptPrefix
+//   messages, // old messages
+//   message, // request message
+//   initialResponse, // response message
+//   isRegenerate=false, // isRegenerate?
+// }
+
+const submission = atom({
+  key: "submission",
+  default: null,
+});
+
+const isSubmitting = atom({
+  key: "isSubmitting",
+  default: false,
+});
+
+export default {
+  submission,
+  isSubmitting,
+};