Add support for the conversion of Structural Variants

[Rohan-cod]

Prerequisites

Please answer the following questions for yourself before submitting an issue.

• I am running the latest version
• I checked the documentation and found no answer
• I checked to make sure that this issue has not already been filed

• Package Version: latest
• Operating System: macOS

Expected Behavior

Add support for the conversion of Structural Variants.

Current Behavior

The current code supports the conversion of simple variants (SNVs, Indels), along with zygosity and phase relationships, for autosomes, sex chromosomes, and mitochondrial DNA.