add: add expence type crud and model

core/apps/finance/serializers/expence_type.py

@@ -0,0 +1,11 @@
+from rest_framework import serializers
+
+from core.apps.finance.models import ExpenceType
+
+
+class ExpenceTypeSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = ExpenceType
+        fields = [
+            'id', 'name'
+        ]