docs: make update command and clarify update steps/potential danger

Jacky Zhao

2022-04-05 a7abc6ab96002d103e5e349f345d4108550256f5

 data/graphConfig.yaml

@@ -1,5 +1,6 @@
enableLegend: false
enableDrag: true
enableZoom: true
depth: -1 # set to -1 to show full graph
paths:
  - /moc: "#4388cc"