added functional_tests to installed apps in core.settings (but only when debug is true); created management dir to contain new django cmds & listed in .dockerignore; created management.create_session cmd; recreated container.db.sqlite3; tweaked test_server setup in functional_tests.base; added test_server failsafe to magic link login testing in .test_login

src/functional_tests/base.py

@@ -27,8 +27,9 @@ class FunctionalTest(StaticLiveServerTestCase):
     # Helper methods
     def setUp(self):
         self.browser = webdriver.Firefox()
-        if test_server := os.environ.get('TEST_SERVER'):
-            self.live_server_url = 'http://' + test_server
+        self.test_server = os.environ.get("TEST_SERVER")
+        if self.test_server:
+            self.live_server_url = 'http://' + self.test_server
     
     def tearDown(self):
         self.browser.quit()