feat: fs tree component

fs-tree-view/App.css

@@ -0,0 +1,71 @@
+.container {
+  width: 250px;
+  height: 100vh;
+  overflow: hidden;
+  resize: inline;
+}
+
+.indent-root {
+  padding-left: 5px;
+}
+
+.indent {
+  padding-left: 25px;
+}
+
+.mb {
+  padding-bottom: 10px;
+}
+
+.item-wrapper {
+  cursor: pointer;
+  width: 100%;
+  white-space: nowrap;
+}
+
+.icon {
+  padding-right: 5px;
+}
+
+.icon.folder {
+  color: #fab019;
+}
+
+.tomato {
+  color: #e73934;
+}
+.red {
+  color: red;
+}
+.orange {
+  color: #dd5b26;
+}
+.blue {
+  color: #2372ba;
+}
+.green {
+  color: #08743b;
+}
+.purple {
+  color: #5b2d8d;
+}
+.grey {
+  color: #303c42;
+}
+.brown {
+  color: #574038;
+}
+.yellow {
+  color: #fab019;
+}
+
+.dragthis {
+  border: 1px solid blue;
+  width: 100px;
+  height: 100px;
+}
+.drophere {
+  border: 1px dashed #000;
+  width: 200px;
+  height: 200px;
+}