Frontend facilities

Added the /facilities and /facility pages. Facilities (the list) is also paged, loading a maximum of 5 facilities per page.

backend/secfit/facilities/serializers.py

@@ -6,6 +6,7 @@ class FacilityPostSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = Facility
         fields = [
+            "id",
             "name",
             "date",
             "description",
@@ -26,6 +27,7 @@ class FacilityGetSerializer(serializers.HyperlinkedModelSerializer):
     class Meta:
         model = Facility
         fields = [
+            "id",
             "name",
             "date",
             "description",