Devenv: Create script to provision many folders (#75427)

* user essentials mob! 🔱

* user essentials mob! 🔱

lastFile:devenv/bulk-folders/bulk-folders.sh

* user essentials mob! 🔱

lastFile:devenv/setup.sh

* user essentials mob! 🔱

lastFile:devenv/setup.sh

* user essentials mob! 🔱

* user essentials mob! 🔱

* user essentials mob! 🔱

* codeowners

---------

Co-authored-by: eledobleefe <laura.fernandez@grafana.com>
Co-authored-by: Laura Benz <laura.benz@grafana.com>
Co-authored-by: Tobias Skarhed <tobias.skarhed@gmail.com>

.github/CODEOWNERS

@@ -166,6 +166,7 @@
 /devenv/docker/blocks/self-instrumentation* @grafana/observability-metrics
 
 /devenv/bulk-dashboards/ @grafana/dashboards-squad
+/devenv/bulk-folders/ @grafana/grafana-frontend-platform
 /devenv/bulk_alerting_dashboards/ @grafana/alerting-backend-product
 /devenv/create_docker_compose.sh @grafana/backend-platform
 /devenv/dashboards.yaml @grafana/dashboards-squad