partial repository layer added

pkg/model/transactionType.go

@@ -0,0 +1,13 @@
+package model
+
+type TransactionType struct {
+	tableName struct{} `pg:"transactionTypes,alias:transactionTypes"`
+	BaseModel
+	Name string `json:"name" pg:"name"`
+	Type string `json:"type" pg:"type,notnull"`
+}
+
+type NewTransactionTypeBody struct {
+	Name string `json:"name" form:"name"`
+	Type string `json:"type" form:"type"`
+}