Use local key instead of openlibrary key in urls

but uh maybe the local key shouldn't look so gnarly?

fedireads/migrations/0020_auto_20200327_2236.py

@@ -0,0 +1,49 @@
+# Generated by Django 3.0.3 on 2020-03-27 22:36
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('fedireads', '0019_comment'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Connector',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_date', models.DateTimeField(auto_now_add=True)),
+                ('updated_date', models.DateTimeField(auto_now=True)),
+                ('name', models.CharField(max_length=255, unique=True)),
+                ('api_key', models.CharField(max_length=255, null=True)),
+                ('base_url', models.CharField(max_length=255)),
+                ('covers_url', models.CharField(max_length=255)),
+                ('search_url', models.CharField(max_length=255, null=True)),
+                ('key_name', models.CharField(max_length=255, unique=True)),
+                ('politeness_delay', models.IntegerField(null=True)),
+                ('max_query_count', models.IntegerField(null=True)),
+                ('query_count', models.IntegerField(default=0)),
+                ('query_count_expiry', models.DateTimeField(auto_now_add=True)),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+        migrations.RenameField(
+            model_name='book',
+            old_name='origin',
+            new_name='source_url',
+        ),
+        migrations.RemoveField(
+            model_name='book',
+            name='local_edits',
+        ),
+        migrations.AddField(
+            model_name='book',
+            name='connector',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.PROTECT, to='fedireads.Connector'),
+        ),
+    ]