fix(build): Update contributing.md and fix npm ci#417

Merged

dreamorosi merged 8 commits intoaws-powertools:mainfrom

michaelbrewer:fix-dev-build

Jan 12, 2022

Commits on Jan 5, 2022

Commits on Jan 6, 2022

chore: leave as npm install for now
michaelbrewer
committed

Commits on Jan 11, 2022

Merge branch 'awslabs:main' into fix-dev-build
michaelbrewer
authored