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/start/readme.mdx

@@ -0,0 +1,37 @@
+---
+title: Path.start()
+---
+
+The `Path.start()` method returns the Point object at the start of the path.
+
+## Signature
+
+```js
+Point path.start()
+```
+
+:::tipThis method is chainable as it returns the `Path` object:::
+
+## Example
+
+<Example caption="Example of the Path.start() 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)
+
+  paths.demo = new Path()
+    .move(points.A)
+    .line(points.B)
+    .curve(points.BCp2, points.CCp1, points.C)
+
+  snippets.end = new Snippet("notch", paths.demo.start())
+
+  return part
+}
+```
+</Example>