chore(types): add additional hint for LSP support (#864)

Signed-off-by: Aaron <29749331+aarnphm@users.noreply.github.com>

quartz/components/Explorer.tsx

@@ -1,4 +1,4 @@
-import { QuartzComponentConstructor, QuartzComponentProps } from "./types"
+import { QuartzComponent, QuartzComponentConstructor, QuartzComponentProps } from "./types"
 import explorerStyle from "./styles/explorer.scss"
 
 // @ts-ignore
@@ -75,7 +75,12 @@ export default ((userOpts?: Partial<Options>) => {
     jsonTree = JSON.stringify(folders)
   }
 
-  function Explorer({ cfg, allFiles, displayClass, fileData }: QuartzComponentProps) {
+  const Explorer: QuartzComponent = ({
+    cfg,
+    allFiles,
+    displayClass,
+    fileData,
+  }: QuartzComponentProps) => {
     constructFileTree(allFiles)
     return (
       <div class={classNames(displayClass, "explorer")}>