feat(clients): add clients app basic structure and endpoints

apps/clients/admin.py

@@ -0,0 +1,28 @@
+from django.contrib import admin
+
+from core.admins.base import BaseAdmin, SoftDeleteListFilter
+from apps.clients.models import Client
+
+
+@admin.register(Client)
+class ClientAdmin(BaseAdmin):
+    list_display = (
+        "id",
+        "name",
+        "workspace",
+        "created_at",
+        "updated_at",
+        "is_deleted",
+    )
+
+    list_filter = (
+        SoftDeleteListFilter,
+        "workspace",
+    )
+
+    search_fields = (
+        "name",
+        "workspace__name",
+    )
+
+    autocomplete_fields = ("workspace",)