Migrate resources sample

This one https://github.com/Azure-Samples/resource-manager-go-resources-and-groups

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## This issue is a: (mark with an `x`)

- [ ] bug report
- [ ] request for new sample
- [ ] documentation issue or request
- [ ] regression (a behavior that used to work and stopped in a new release)

## Steps to reproduce:

## Errors and log messages:

## Expected behavior:

## OS and Go versions:

## Further info:

Review the linked resource-manager-go-resources-and-groups sample and this repository's sample organization first. The issue does not identify files, tests, or acceptance criteria; define completion as the resources sample being migrated into this repository.

Written by the indexing model from the issue text.