add git fetch to migration instructions

Jacky Zhao

2023-08-20 90d6c1ed24283d0b046ba7eee2e6533a73cf3683

 quartz/components/styles/graph.scss

@@ -43,7 +43,6 @@
    width: 100vw;
    height: 100%;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: none;
    overflow: hidden;