GitOps Tools VSCode extension Sprint 4 release

see:

• Sprint 4 project plan
• updated v0.4.0 changelog for details

GitOps Tools VSCode extension Sprint 3 release

see:

• Sprint 3 project plan
• updated v0.3.0 changelog for details.

gitops terminal and initial k8s tools api integration with clusters, sources and deployments views display release

see v0.2.0 changelog for details.

gitops extension base and docs view release

see v0.1.0 changelog for details.