Add description field to TrainingItems (#523)

* Add 'description' field to TrainingItems

Renamed existing field to name, removed the dummy property.

* Initial version of training item export view

* Fix line length issue and better spacing on exported PDF

* Added export button to item list

* pep8

* Implement code doctor tweaks

* Attempt to fix odd deployment issue

* Pad headers slightly

* Fix page numbering

training/migrations/0006_rename_description_trainingitem_name.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.18 on 2023-02-19 14:02
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('training', '0005_auto_20220223_1535'),
+    ]
+
+    operations = [
+        migrations.RenameField(
+            model_name='trainingitem',
+            old_name='description',
+            new_name='name',
+        ),
+    ]

training/migrations/0007_trainingitem_description.py

@@ -0,0 +1,18 @@
+# Generated by Django 3.2.18 on 2023-02-19 14:02
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('training', '0006_rename_description_trainingitem_name'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='trainingitem',
+            name='description',
+            field=models.TextField(blank=True),
+        ),
+    ]