build: replace npm with pnpm + add Dockerfile for ci

.devcontainer/devcontainer.json

.gitignore

.gitlab-ci.yml

.phpunit.cache/test-results

app/Libraries/Vite/Config/Vite.php

app/Libraries/Vite/Vite.php

app/Resources/js/charts.ts

app/Resources/js/map.ts

app/Resources/js/modules/Tooltip.ts

composer.json

composer.lock

docker/ci/Dockerfile

docker/development/Dockerfile

docker/production/app/Dockerfile

docs/src/sv/contributing/setup-development.md

package-lock.json

package.json

phpunit.xml.dist

pnpm-lock.yaml

rector.php