docs: add telemetry docs

internal/serv/health.go

@@ -7,8 +7,8 @@ import (
 
 var healthyResponse = []byte("All's Well")
 
-func health(w http.ResponseWriter, _ *http.Request) {
-	ct, cancel := context.WithTimeout(context.Background(), conf.DB.PingTimeout)
+func health(w http.ResponseWriter, r *http.Request) {
+	ct, cancel := context.WithTimeout(r.Context(), conf.DB.PingTimeout)
 	defer cancel()
 
 	if err := db.PingContext(ct); err != nil {

internal/serv/init.go

@@ -216,7 +216,7 @@ func initDB(c *Config, useDB, useTelemetry bool) (*sql.DB, error) {
 
 	if useTelemetry && conf.telemetryEnabled() {
 		opts := ocsql.TraceOptions{
-			AllowRoot:    false,
+			AllowRoot:    true,
 			Ping:         true,
 			RowsNext:     true,
 			RowsClose:    true,