chore(markdown): Restructuring dev docs

markdown/dev/reference/api/macros/mirror/en.md

@@ -0,0 +1,42 @@
+---
+title: mirror
+---
+
+The `mirror` macro allows you to mirror points and/or paths around a mirror line.
+It is provided by the [mirror plugin](/reference/plugins/mirror/).
+
+<Example part="plugin_mirror" caption="Example of the mirror plugin" />
+
+```js
+points.a = new Point(5,5)
+points.b = new Point(45,30)
+points.c = new Point(5,30)
+points.d = new Point(45,5)
+points.mid = new Point(25,15)
+
+
+paths.a = new Path()
+  .move(points.a)
+  .curve(points.b, points.c, points.d)
+
+macro('mirror', {
+  mirror: [points.b, points.d],
+  points: [points.mid],
+  paths: [paths.a]
+})
+
+macro('sprinkle', {
+  snippet: 'notch',
+  on: ['mid', 'mirroredMid']
+})
+```
+
+| Property     | Default    | Type       | Description | 
+|-------------:|------------|------------|-------------|
+| `mirror`     |            | `array`    | Array with 2 [Point](/reference/api/point) objects that define the *mirror line* |
+| `clone`      | `true`     | `bool`     | Whether to clone mirrored points and or paths |
+| `points`     |            | `array`    | An array of [Point](/reference/api/point) objects |
+| `paths`      |            | `array`    | An array of [Path](/reference/api/path) objects |
+| `prefix`     | `mirrored` | `string`   | A prefix to apply to the names of the clones points and or paths. Ignored if `nameFormat` is set |
+| `nameFormat` |            | `function` | A method that receives the name of the path or point and should return the name for the cloned path and or point |
+