feat: Icon component (#1499)

* New icons and old strucure of OHIF ui v1

* Export icon

* Removing wrong import and fixing some exports

* Fixing svg loader and svg images to fullCurrent

* Small fixes on docz

* Remove repeated icon

* Update other components to use Icon

* Update platform/ui/src/components/Icon/icon.mdx

Co-Authored-By: Rodrigo Antinarelli <rodrigoantinarelli@gmail.com>

* Fixing callouts

* Move icons to assets and fixing layout on iconButtons

* Fix path of icons

Co-authored-by: Danny Brown <danny.ri.brown@gmail.com>
Co-authored-by: Rodrigo Antinarelli <rodrigoantinarelli@gmail.com>

platform/ui/src/components/Icon/getIcon.jsx

@@ -0,0 +1,42 @@
+import React from 'react';
+// Icons
+import active from './../../assets/icons/active.svg';
+import cancel from './../../assets/icons/cancel.svg';
+import chevronDown from './../../assets/icons/chevron-down.svg';
+import chevronRight from './../../assets/icons/chevron-right.svg';
+import infoLink from './../../assets/icons/info-link.svg';
+import launchArrow from './../../assets/icons/launch-arrow.svg';
+import launchInfo from './../../assets/icons/launch-info.svg';
+import settings from './../../assets/icons/settings.svg';
+import sortingActiveDown from './../../assets/icons/sorting-active-down.svg';
+import sortingActiveUp from './../../assets/icons/sorting-active-up.svg';
+import sorting from './../../assets/icons/sorting.svg';
+
+const ICONS = {
+  active: active,
+  cancel: cancel,
+  'chevron-down': chevronDown,
+  'chevron-right': chevronRight,
+  'info-link': infoLink,
+  'launch-arrow': launchArrow,
+  'launch-info': launchInfo,
+  settings: settings,
+  'sorting-active-down': sortingActiveDown,
+  'sorting-active-up': sortingActiveUp,
+  sorting: sorting,
+};
+
+/**
+ * Return the matching SVG Icon as a React Component.
+ * Results in an inlined SVG Element. If there's no match,
+ * return `null`
+ */
+export default function getIcon(key, props) {
+  if (!key || !ICONS[key]) {
+    return React.createElement('div', null, 'Missing Icon');
+  }
+
+  return React.createElement(ICONS[key], props);
+}
+
+export { ICONS };