How to add more fields to the sign up page in Odoo?

add_fields_signup.xml

<?xml version="1.0" encoding="utf-8"?>
<odoo>
    <data>

        <!-- Inherit Form View to Modify it -->
        <record id="kod_res_partner_inherit" model="ir.ui.view">
            <field name="name">kod.res.partner.form.inherit</field>
            <field name="model">res.partner</field>
            <field name="inherit_id" ref="base.view_partner_form"/>
            <field name="arch" type="xml">
                <xpath expr="//notebook" position="inside">
                    <page string="Signup Information" autofocus="autofocus">
                        <group>
                            <field name="last_name"/>
                        </group>
                    </page>
                </xpath>

            </field>
        </record>

        <template id="add_fields_to_ecommerce_address" inherit_id="website_sale.address"  priority="-1">
            <xpath expr="//form/div[1]" position="replace">
                <div class="form-row">
                    <div t-attf-class="form-group #{error.get('name') and 'o_has_error' or ''} col-lg-12 div_name">
                        <label class="col-form-label" for="name">Name</label>
                        <input type="text" name="name" t-attf-class="form-control #{error.get('name') and 'is-invalid' or ''}" t-att-value="'name' in checkout and checkout['name']"/>
                    </div>
                </div>
            </xpath>
        </template>

        <template id="add_fields_to_signup" inherit_id="auth_signup.fields">
            <xpath expr="//div[2]" position="replace">
                <div class="form-group field-name">
                    <label for="name">First Name</label>
                    <input type="text" name="name" t-att-value="name" id="name" class="form-control form-control-sm" placeholder="e.g. Omer"
                        required="required" t-att-readonly="'readonly' if only_passwords else None"
                        t-att-autofocus="'autofocus' if login and not only_passwords else None" />
                </div>
                <div class="form-group field-last_name">
                    <label for="name">Last Name</label>
                    <input type="text" name="last_name" t-att-value="last_name" id="last_name" class="form-control form-control-sm" placeholder="e.g. Mohammed Ali"
                        required="required" t-att-readonly="'readonly' if only_passwords else None"
                        t-att-autofocus="'autofocus' if login and not only_passwords else None" />
                </div>
            </xpath>
        </template>

    </data>
</odoo>

controller.py

import json

from odoo import http
from odoo.exceptions import UserError
from odoo.http import request
from odoo.addons.auth_signup.controllers.main import AuthSignupHome
from odoo.addons.website_sale.controllers.main import WebsiteSale

class AuthSignupHome(AuthSignupHome):

    def do_signup(self, qcontext):

        # add more fileds to the list after the phone
        values = {key: qcontext.get(key) for key in ('login',
                'name', 'password', 'phone','your_field_goes_here')}
        if not values:
            raise UserError(_("The form was not properly filled in."))
        if values.get('password') != qcontext.get('confirm_password'):
            raise UserError(_("Passwords do not match; please retype them."))
        supported_lang_codes = [code for code, _ in request.env['res.lang'].get_installed()]
        lang = request.context.get('lang', '').split('_')[0]
        if lang in supported_lang_codes:
            values['lang'] = lang
        self._signup_with_values(qcontext.get('token'), values)
        request.env.cr.commit()

class WebsiteSale(WebsiteSale):

    # add more fileds to the list if you want them to be mandetory
    def _get_mandatory_shipping_fields(self):
        return ["name"]

    def _get_mandatory_billing_fields(self):
        return ["name", "email"]

models.py

from odoo import fields,models,api
from odoo.exceptions import UserError

class RegisterMoreFields(models.Model):
    _inherit = "res.partner"

    # add the fileds that you want to the res.partner model ex. last name
    last_name = fields.Char()