flow chart
1. draw.io 2. 如果有需要畫流程圖的話推薦這個 https://mermaidjs.github.io/flowchart.html 他有線上編輯器 ( https://mermaidjs.github.io/mermaid-live-editor/ ) 也有VScode的插件( https://marketplace.visualstudio.com/items?itemName=bierner.markdown-mermaid ) 附上一些範例 https://mermaidjs.github.io/mermaid-live-editor/#/edit/eyJjb2RlIjoiZ3JhcGggVEQ7XG5BW21haW5dIC0tPiBwdWxsW3B1bGxDQ1JdXG5wdWxsIC0tPiB8LWRpcnwgZmlsZVtoYW5kbGVGaWxlc11cbnB1bGwgLS0-IGFyY1toYW5kbGVBcmNoaXZlc11cbkEgLS0-IHwtbm9jY3J8IGZpbGVcbmFyYyAtLT4gZmlsZVxuZmlsZSAtLT4gaXNydW57aXMgLXJ1biBzcGVjaWZpZWR9XG5pc3J1biAtLT4gfHllc3wgcnVuW3J1bkJ5UnVuZmlsZV1cbnJ1biAtLT4gZG9baGFuZGxlRG9maWxlXVxuaXNydW4gLS0-IHxub3wgaXNkb3tpcyAtZCBzcGVjaWZpZWR9XG5pc2RvIC0tPiB8eWVzfCBkb1xuaXNkbyAtLT4gfG5vfCBpc2xvZ3tpcyAtbCBzcGVjaWZpZWR9XG5pc2xvZyAtLT4gfHllc3wgbG9nW3J1bkJ5TG9nZmlsZV1cbmlzbG9nIC0tPiB8bm98IGF1dG9bYXV0byBkZXRlY3RdXG5hdXRvIC0tPiBkb1xubG9nIC0tPiBkb1xuZG8gLS0-IEhbZXhlY0xFQ11cbkggLS0-IHJlc1twcmludFJlc3VsdF0iLCJtZXJtYWlkIjp7InRoZW1lIjoiZm9yZXN0In19