feat: auto generated files and new structure (#4)

## Description

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In case there is no issue present for your PR, please consider creating one.
At least please give us some description what you are trying to achieve and why your change is needed. -->

relates to #1234

## Checklist

- [ ] Issue was linked above
- [ ] Code format was applied: `make fmt`
- [ ] Examples were added / adjusted (see `examples/` directory)
- [x] Docs are up-to-date: `make generate-docs` (will be checked by CI)
- [ ] Unit tests got implemented or updated
- [ ] Acceptance tests got implemented or updated (see e.g. [here](f5f99d1709/stackit/internal/services/dns/dns_acc_test.go))
- [x] Unit tests are passing: `make test` (will be checked by CI)
- [x] No linter issues: `make lint` (will be checked by CI)

Reviewed-on: #4
Reviewed-by: Andre_Harms <andre.harms@stackit.cloud>
Co-authored-by: Marcel S. Henselin <marcel.henselin@stackit.cloud>
Co-committed-by: Marcel S. Henselin <marcel.henselin@stackit.cloud>

pkg/postgresflexalpha/model_create_instance_request_payload.go

@@ -17,26 +17,6 @@ import (
 // checks if the CreateInstanceRequestPayload type satisfies the MappedNullable interface at compile time
 var _ MappedNullable = &CreateInstanceRequestPayload{}
 
-/*
-	types and functions for acl
-*/
-
-// isArray
-type CreateInstanceRequestPayloadGetAclAttributeType = *[]string
-type CreateInstanceRequestPayloadGetAclArgType = []string
-type CreateInstanceRequestPayloadGetAclRetType = []string
-
-func getCreateInstanceRequestPayloadGetAclAttributeTypeOk(arg CreateInstanceRequestPayloadGetAclAttributeType) (ret CreateInstanceRequestPayloadGetAclRetType, ok bool) {
-	if arg == nil {
-		return ret, false
-	}
-	return *arg, true
-}
-
-func setCreateInstanceRequestPayloadGetAclAttributeType(arg *CreateInstanceRequestPayloadGetAclAttributeType, val CreateInstanceRequestPayloadGetAclRetType) {
-	*arg = &val
-}
-
 /*
 	types and functions for backupSchedule
 */
@@ -223,7 +203,6 @@ type CreateInstanceRequestPayloadGetVersionRetType = string
 
 // CreateInstanceRequestPayload struct for CreateInstanceRequestPayload
 type CreateInstanceRequestPayload struct {
-	Acl CreateInstanceRequestPayloadGetAclAttributeType `json:"acl" required:"true"`
 	// The schedule for on what time and how often the database backup will be created. The schedule is written as a cron schedule.
 	// REQUIRED
 	BackupSchedule CreateInstanceRequestPayloadGetBackupScheduleAttributeType `json:"backupSchedule" required:"true"`