Added additional nuget package properties

[CBielstein]

Description

Adding additional package properties to add information to the package Nuget.org listings.

These come from the Microsoft package authoring best practices.

Changes

• Add project URL referencing this repo
• Add repository URL referencing this repo
• Add repository type as git
• Add license type as MIT
• Copyright message

Validation

• Build and pack work locally
• Used Nuget Package Explorer to inspect package after local build and observed new properties as expected