use bigint for ud amount

db/migrations/1729515757473-Data.js

db/migrations/1729515877497-EnumsMigration.js

db/migrations/1729515877497-udHistoryFunction.js

package.json

schema.graphql

src/data_handler.ts

src/model/generated/udReeval.model.ts

src/model/generated/universalDividend.model.ts