{{ define "title" }}Sign Up{{ end }}
{{ define "main" }}
<h1>Sign In</h1>
<form action="/signin" method="POST">
    <label>Email: <input type="text" name="email"></label><br>
    <label>Password: <input type="password" name="password"></label><br>
    {{ with .Error }}<p class="error">{{ . }}</p>{{ end }}
    <input type="submit" value="Sign Up">
</form>
{{ end }}