feat(figma): add data API endpoint for new plugin (#2018)

* feat(figma): add data API endpoint with every metadata needed by new Figma plugin

* chore(docs/api): extract data as static const

---------

Co-authored-by: Karsa <karsa@sztaki.hu>

docs/.vitepress/api/data/index.get.ts

@@ -0,0 +1,41 @@
+import { eventHandler, setResponseHeader } from 'h3';
+import iconNodes from '../../data/iconNodes';
+import { IconNodeWithKeys } from '../../theme/types.ts';
+import iconMetaData from '../../data/iconMetaData.ts';
+import releaseMeta from '../../data/releaseMetaData.json';
+import { getAllCategoryFiles } from '../../lib/categories.ts';
+
+const dataResponse = {
+  icons: Object.entries(iconNodes).reduce((acc, [name, iconNode]) => {
+    const newIconNode = (iconNode as IconNodeWithKeys).map(([name, { key, ...attrs }]) => {
+      return [name, attrs];
+    });
+
+    acc[name] = {
+      iconNode: newIconNode,
+      aliases: (iconMetaData[name]?.aliases ?? []).map((alias) =>
+        typeof alias === 'string' ? alias : alias.name,
+      ),
+      tags: iconMetaData[name].tags ?? [],
+      categories: iconMetaData[name].categories ?? [],
+      ...releaseMeta[name],
+    };
+
+    return acc;
+  }, {}),
+  aliases: Object.entries(iconNodes).reduce((acc, [name]) => {
+    for (const alias of iconMetaData[name]?.aliases ?? []) {
+      acc[typeof alias === 'string' ? alias : alias.name] = name;
+    }
+
+    return acc;
+  }, {}),
+  categories: getAllCategoryFiles(),
+};
+
+export default eventHandler((event) => {
+  setResponseHeader(event, 'Cache-Control', 'public, max-age=86400');
+  setResponseHeader(event, 'Access-Control-Allow-Origin', '*');
+
+  return dataResponse;
+});