Update external/lab/quarks-chemical-platform/quarks-chemical-platform.md, external/lab/quarks-chemical-platform/img/4.png, external/lab/quarks-chemical-platform/img/6.png, external/lab/quarks-chemical-platform/img/7.png, external/lab/quarks-chemical-platform/img/5.png, external/lab/quarks-chemical-platform/img/8.png, external/lab/quarks-chemical-platform/img/9.png files