membership history (!3)

db/migrations/1705877992505-Data.js

schema.graphql

src/data_handler.ts

src/genesis.ts

src/main.ts

src/model/generated/identity.model.ts

src/model/generated/index.ts

src/model/generated/membership.model.ts

src/model/generated/membershipCreation.model.ts

src/model/generated/membershipRemoval.model.ts

src/model/generated/membershipRenewal.model.ts

src/types_custom.ts