chore: Port FreeSewing.dev to docusaurus

The replaces the NextJS site powering FreeSewing.dev with a Docusaurus
setup. It's part of my efforts to simplify FreeSewing's setup so we can
focus on our core value proposition.

sites/dev/docs/reference/api/path/edge/readme.mdx

@@ -0,0 +1,53 @@
+---
+title: Path.edge()
+---
+
+```js
+Point path.edge(string side)
+```
+
+Returns the Point object at the edge of the path you specify. Edge must be one of:
+
+- `top`
+- `bottom`
+- `left`
+- `right`
+- `topLeft`
+- `topRight`
+- `bottomLeft`
+- `bottomRight`
+
+<Example caption="Example of the Path.edge() method">
+```js
+({ Point, points, Path, paths,snippets, Snippet,  part }) => {
+
+  points.A = new Point(45, 60)
+  points.B = new Point(10, 30)
+  points.BCp2 = new Point(40, 20)
+  points.C = new Point(90, 30)
+  points.CCp1 = new Point(50, -30)
+  points.D = new Point(-60, 90)
+  points.E = new Point(90, 190)
+
+  paths.demo = new Path()
+    .move(points.A)
+    .line(points.B)
+    .curve(points.BCp2, points.CCp1, points.C)
+    .curve(points.E, points.D, points.A)
+    .close()
+
+  for (let i of [
+    "topLeft",
+    "topRight",
+    "bottomLeft",
+    "bottomRight",
+    "top",
+    "left",
+    "bottom",
+    "right"
+  ]) snippets[i] = new Snippet("notch", paths.demo.edge(i))
+
+  return part
+}
+```
+</Example>