Gis 798 & GIS-845 - vectoriële base map

[DanielSavin2001]

PR Checklist

This PR fulfils the following requirements:

• [x] The commit message follows our guidelines: Contributing guidelines
• [x] Docs have been added / updated (for bug fixes / features)
• [x] A changelog entry was added

PR Type

What kind of change does this PR introduce?

• [ ] Bugfix
• [x] Feature
• [ ] Code style update (formatting, local variables)
• [ ] Refactoring (no functional changes, no api changes)
• [ ] Build related changes
• [ ] CI related changes
• [ ] Documentation content changes
• [ ] angular.io application / infrastructure changes
• [ ] Other... Please describe:

Issue Number:

• https://jira.antwerpen.be/browse/GIS-798
• https://jira.antwerpen.be/browse/GIS-845

What is the new behaviour?

Added the addVectorLayer method so that leaflet can accept vector layers. Now all layers with the protobuf file type will be accepted. The map should work faster vector-based than tile-based.

Does this PR introduce a breaking change?

• [ ] Yes
• [x] No