Install DockerMan template and PNG icon

scripts/verify_browser_runtime.sh

@@ -4,7 +4,7 @@ set -euo pipefail
 FRONTEND_URL="${1:-http://localhost:1202}"
 BACKEND_HEALTH_URL="${2:-}"
 API_URL="${FRONTEND_URL%/}/api/v1/projects"
-ICON_URL="${FRONTEND_URL%/}/geointel-icon.svg"
+ICON_URL="${FRONTEND_URL%/}/geointel-icon.png"
 
 if ! command -v curl >/dev/null 2>&1; then
   echo "curl is required for browser runtime verification" >&2