bugfix: setting custom layer overwrites exsting layers

Chore update angular

test: skip prettier for now
chore: rm npmrc, update package-lock

chore: added prettierrc

chore: update storybook dep

TODO use prettier for formatting

fix: prod build error on terser

v2.7.7

Dev connectivity filter

chore: updated version, and mkdocs link to release notes
bugfix: updated scripts for sapi schema && updated sapi schema

hotfix: fixing region hierarchy

v2.7.6