Adding observer interfaces to nextroute and bug fixes

The release of Nextmv Platform v1.1.0 adds interfaces to add observers to the nextroute model and fixes a couple of small bugs.

nextroute changes
- A nextroute model has new interfaces to add a SolutionObserver and a SolutionUnPlanObserver. Use the functions AddSolutionObserver and AddSolutionUnPlanObserver on the model to add your observer implementations to track solutions.

Upgrading

This upgrade guide assumes you’ve previously installed and configured the Nextmv CLI.

Open up your terminal and run the following command:

nextmv update

Alternatively, you can specify the version.

nextmv update v1.1.0

To update and tidy your Go project and reference SDK v1.1.0, stand at the location of the go.mod and run:

go get github.com/nextmv-io/sdk@v1.1.0
go mod tidy