feat(dev): Added react docs for Pattern + refactor

This adds support for not only documenating components, but also
constants and functions that may be exported next to components.

packages/react/components/Pattern/svg.mjs

@@ -2,6 +2,21 @@
 import React from 'react'
 import { forwardRef } from 'react'
 
+/**
+ * A component to render an SVG tag to hold a FreeSewing pattern
+ *
+ * @component
+ * @param {object} props - All component props
+ * @param {JSX.Element} props.children - The component children, will be rendered inside the SVG tag
+ * @param {strign} [props.className = 'freesewing pattern'] - The CSS classes to apply to the SVG tag
+ * @param {string} [props.embed = true] - Set this to false to output SVG suitable for printing rather than auto-scaled SVG
+ * @param {number} props.heigth - The pattern height in mm
+ * @param {string} [props.locale = en] - The locale/language to use
+ * @param {object} [props.style = {}] - Any additional style to apply to the SVG tag
+ * @param {object} [props.viewBox = false] - Set this to use a custom viewBox attribute rather than the default  0 0 width height
+ * @param {number} props.width - The pattern width in mm
+ * @returns {JSX.Element}
+ */
 export const Svg = forwardRef(
   (
     {