Add Console log event bus

[Andreass2]

Description

• Add Console log Event buss

• Add Events for current logic.

• Created issue to connect it to Altinn Events after we add Maskinporten. Connect events to Altinn Events #94

Related Issue(s)

• Add Events to Correspondence #78

Verification

• Your code builds clean without any errors or warnings
• Manual testing done (required)
• Relevant automated test added (if you find this hard, leave it and we'll help out)
• All tests run green

Documentation

• User documentation is updated with a separate linked PR in altinn-studio-docs. (if applicable)