Merge branch 'elk-migration' into sidv/cleanupLayoutElk

* elk-migration:
  chore: Use spaces
  docs: Add Readme
  chore: Use default export
  [autofix.ci] apply automated fixes

packages/mermaid-layout-elk/src/layouts.ts

@@ -3,7 +3,7 @@ import type { LayoutLoaderDefinition } from 'mermaid';
 const loader = async () => await import(`./render.js`);
 const algos = ['elk.stress', 'elk.force', 'elk.mrtree', 'elk.sporeOverlap'];
 
-export const layouts: LayoutLoaderDefinition[] = [
+const layouts: LayoutLoaderDefinition[] = [
   {
     name: 'elk',
     loader,
@@ -15,3 +15,5 @@ export const layouts: LayoutLoaderDefinition[] = [
     algorithm: algo,
   })),
 ];
+
+export default layouts;