message: Add some types
diff: @@ -14,7 +14,7 @@ const {
  // This contains the sql query generation logic
  const Sql = {
  - updateProject: ({ id, patch }) =>
  + updateProject: ({ id, patch } /* : {id: number, patch: {[string]: any}} */) =>
  knex('project')
  .where('id', '=', id)
  .update(patch)
  @@ -23,12 +23,12 @@ const Sql = {
  knex('project')
  .where('id', id)
  .toString(),
  - selectProjectIdByName: name =>
  + selectProjectIdByName: (name /* : string */) =>
  knex('project')
  .where('name', name)
  .select('id')
  .toString(),
  - selectProjectIdsByCustomerIds: customerIds =>
  + selectProjectIdsByCustomerIds: (customerIds /* : Array<number> */) =>
  knex('project')
  .select('id')
  .whereIn('customer', customerIds)
  