v6.0.0

Added support for inserting variable assignments into gradle files #120.

Breaking changes

The signature for the insertProperties method on GradleFile has been modified to add a third argument before the exact argument. The new signature is

async insertProperties(pathObject: any, toInject: any[], type: AndroidGradleInjectType = AndroidGradleInjectType.Method, exact: boolean = false): Promise<void>