add shop link to event info overlay

import React, { useEffect, useRef } from "react";

import { useAppContext } from "../contexts/AppContext";

import { Button } from "@nextui-org/react";

import { Button, Link } from "@nextui-org/react";

/**

 * *oh god the terrible code*

      <div className="flex-grow" />

      <div>

        <Button as={Link} href="https://sc07.shop" color="primary">

          Shop (poster prints!)

        </Button>

        <Button onPress={() => setInfoSidebar(true)}>Info</Button>

        <Button onPress={() => setSettingsSidebar(true)}>Settings</Button>

      </div>