add Est app

apps/establishments/admin.py

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+from django.contrib import admin
+
+# Register your models here.

apps/establishments/apps.py

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+from django.apps import AppConfig
+
+
+class EstablishmentsConfig(AppConfig):
+    name = 'establishments'

apps/establishments/models.py

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+from django.contrib.postgres.fields import JSONField
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+from utils.models import ProjectBaseMixin, ImageMixin
+
+
+class Establishment(ProjectBaseMixin):
+    """Establishment model."""
+
+    name = models.CharField(max_length=100)
+    description = JSONField()
+    country = models.ForeignKey('location.Country', on_delete=models.CASCADE)
+

apps/establishments/tests.py

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+from django.test import TestCase
+
+# Create your tests here.