packer/stromweld/host-info plugin integration

#### Description

This is a data-source plugin that collections information on host operating system platform. This can then be used with plugins like qemu to specify the location of the UEFI firmware files for various host OS systems that store them in different locations.

#### Integration Tier
Community

#### Checklist
- [x] Has valid [`metadata.hcl`](https://github.com/hashicorp/integration-template) file in plugin repository.
- [x] Has added integration scripts [packer-plugin-scaffolding](https://github.com/hashicorp/packer-plugin-scoffolding) to plugin repository.
- [x] Has added top-level integration README.md file to plugin `docs` directory.
- [x] All plugins components have one README.md describing their usage.
- [x] Has a fully synced `.web-docs` directory ready for publishing to the integrations portal.