nginx endpoints addition - grafana documentation update

Fix Grafana datasource path and Prometheus route prefixes for Space deployment

Fix dashboard loading: explicit folder, dos2unix all configs, tail grafana logs

Fix Grafana provisioning permissions by moving to local app path

Fix Grafana permission denied: use local config file

Fix Grafana startup: use system config and explict binary path

Fix Grafana config keys syntax and add failure logging

Fix Grafana provisioning path in HF Space startup script

Fix monitoring stack configuration for HF Spaces: Add Alertmanager, Pushgateway, and fix Prometheus/Grafana connection

fix(docker): configure Grafana for hf.space domain to fix asset loading

fix(docker): switch Grafana to root serving with nginx path stripping

fix(nginx): do not strip path for Grafana (pass entire /grafana/ prefix)

fix(nginx): use standard proxy_pass for Grafana to fix 404s

fix(docker): restore forced GRAFANA_ROOT_URL (with nginx fixes in place)

fix(docker): revert Grafana forced root_url to allow generic proxying

fix(docker): use relative external URL for Prometheus

fix(nginx): use direct IP for Prometheus proxy

fix(nginx): add redirects for missing trailing slashes

fix(docker): enforce Grafana root_url via CLI args for HF Spaces

fix(docker): configure Prometheus external URL for HF Spaces

fix(docker): configure Grafana root URL for HF Spaces

Merge branch 'main' into aggiornamento-doc

aggiornamento documentazione e refactor struttura repo per docker