add enum cycle type for contribution links

backend/src/graphql/enum/ContributionCycleType.ts

@@ -0,0 +1,28 @@
+import { registerEnumType } from 'type-graphql'
+
+export enum ContributionCycleType {
+  ONCE = 'once',
+  HOUR = 'hour',
+  TWO_HOURS = 'two_hours',
+  FOUR_HOURS = 'four_hours',
+  EIGHT_HOURS = 'eight_hours',
+  HALF_DAY = 'half_day',
+  DAY = 'day',
+  TWO_DAYS = 'two_days',
+  THREE_DAYS = 'three_days',
+  FOUR_DAYS = 'four_days',
+  FIVE_DAYS = 'five_days',
+  SIX_DAYS = 'six_days',
+  WEEK = 'week',
+  TWO_WEEKS = 'two_weeks',
+  MONTH = 'month',
+  TWO_MONTH = 'two_month',
+  QUARTER = 'quarter',
+  HALF_YEAR = 'half_year',
+  YEAR = 'year',
+}
+
+registerEnumType(ContributionCycleType, {
+  name: 'ContributionCycleType', // this one is mandatory
+  description: 'Name of the Type of the ContributionCycle', // this one is optional
+})