chore: Delete numerous application modules, templates, static assets, documentation, and build files.

clients/models.py

@@ -0,0 +1,13 @@
+from django.db import models
+
+# Create your models here.
+class Client(models.Model):
+    id = models.AutoField(primary_key=True)
+    name = models.CharField(max_length=255)
+    debt = models.DecimalField(max_digits=10, decimal_places=2)
+    created_at = models.DateTimeField(auto_now_add=True)
+    active = models.BooleanField(default=True)
+    contact = models.CharField(max_length=255, null=True, blank=True)
+
+    def __str__(self) -> str:
+        return self.name