prepare for 2FA

- add and migrate User fields for 2FA
- add views for 2FA
- add new forms for 2FA
- update package list in requirements.txt
- add URLs for 2FA views

bookwyrm/migrations/0158_auto_20220911_0008.py

@@ -0,0 +1,28 @@
+# Generated by Django 3.2.15 on 2022-09-11 00:08
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookwyrm", "0157_auto_20220909_2338"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="user",
+            name="htop_count",
+            field=models.IntegerField(blank=True, default=0, null=True),
+        ),
+        migrations.AddField(
+            model_name="user",
+            name="otp_secret",
+            field=models.CharField(blank=True, default=None, max_length=32, null=True),
+        ),
+        migrations.AddField(
+            model_name="user",
+            name="two_factor_auth",
+            field=models.BooleanField(blank=True, default=None, null=True),
+        ),
+    ]