feat: websocket init

websockets/state/connection.js

@@ -0,0 +1,19 @@
+const users = new Map();
+
+export const addUser = (socket, user) => {
+  users.set(socket.id, user);
+};
+
+export const removeUser = (socketID) => {
+  const userToDelete = { ...users.get(socketID) };
+  users.delete(socketID);
+  return userToDelete;
+};
+
+export const getUser = (socketID) => {
+  return users.get(socketID);
+};
+
+export const getUserCount = () => {
+  return users.size;
+};