structure du projet + docker, back: mise en place BD et apps, front: début de dev pour le header et mise en place du thème et css global (override des variables bootstrap)

backend/api/users/models/m2m_role_authorization.py

@@ -0,0 +1,22 @@
+from django.db import models
+from django.utils.translation import gettext_lazy as _
+
+from api.core.models.trackable_model import TrackableModel
+from api.users.models.authorization import Authorization
+from api.users.models.role import Role
+
+
+class M2M_RoleAuthorizations(TrackableModel):
+    """
+    Many to Many table for roles and authorizations.
+    """
+
+    role = models.ForeignKey(Role, on_delete=models.CASCADE)
+    authorization = models.ForeignKey(Authorization, on_delete=models.CASCADE)
+
+    class Meta:
+        constraints = [
+            models.UniqueConstraint(
+                fields=["role", "authorization"], name="unique_role_authorization"
+            )
+        ]