refactor: require password verification

chore: styling work

public/signup_login_wall.html

@@ -98,6 +98,10 @@
 						<input id="signup-password" type="password" name="password" required />
 						<label class="placeholder" for="signup-password">password</label>
 					</div>
+					<div>
+						<input id="signup-password-verification" type="password" name="password_verification" required />
+						<label class="placeholder" for="signup-password-verification">verify password</label>
+					</div>
 					<div>
 						<script>
 							APP.on( 'load', () => {