[RED] Make some functional test

functional_test/test_header_footer.py

+from .base import FunctionalTest
+from selenium import webdriver
+
+class HeaderAndFooter(FunctionalTest):
+
+    def test_header_and_footer(self):
+
+        self.browser.get(self.live_server_url)
+        header_1 = self.browser.find_element_by_id('header_1').text
+        self.assertIn('Jordan To Do list App', header_1)
+
+        footer_1 = self.browser.find_element_by_id('footer_1').text
+        self.assertIn('Copyright', footer_1)