feat(core): Add api validation for ticket

ref: #250 #252 #96 #93 #95 #90 #115

app/itim/migrations/0004_alter_service_config_key_variable.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.0.7 on 2024-08-23 13:51
+
+import itim.models.services
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('itim', '0003_clustertype_config'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='service',
+            name='config_key_variable',
+            field=models.CharField(blank=True, help_text='Key name to use when merging with cluster/device config.', max_length=50, null=True, validators=[itim.models.services.Service.validate_config_key_variable], verbose_name='Configuration Key'),
+        ),
+    ]