[Module Proposal]: `avm-res-resources-deploymentscript`(tf)

### Check for previous/existing GitHub issues/module proposals

- [x] I have checked for previous/existing GitHub issues/module proposals.

### Check this module doesn't already exist in the module indexes

- [x] I have checked for that this module doesn't already exist in the module indexes.

### Bicep or Terraform?

Terraform

### Module Classification?

Resource Module

### Module Name

avm-res-resources-deploymentscript

### Module Details

Requested by the AZD team: https://github.com/Azure/Azure-Verified-Modules/issues/261, please create a new module, this module will create the following resources:

- Deployment Scripts.

For example (azd):

- https://github.com/Azure/azure-dev/blob/main/templates/common/infra/terraform/core/database/postgresql/postgresql.tf#L64-L111

CC: @rajeshkamal5050

### Do you want to be the owner of this module?

No

### Module Owner's GitHub Username (handle)

_No response_

### (Optional) Secondary Module Owner's GitHub Username (handle)

_No response_