Add file servers for the overlays

src/endpoints/files/file_server.ts

@@ -0,0 +1,28 @@
+import { ServerRoute } from "@hapi/hapi";
+import { log } from "$/main";
+import path from "path";
+
+const route: ServerRoute = {
+	method: `GET`, path: `/{channel}/overlay/{theme}/{path*}`,
+	options: {
+		files: {
+			relativeTo: path.join(process.cwd(), `site`),
+		},
+	},
+	handler(request, h) {
+		// const theme = request.query.theme;
+		const path = request.params.path;
+		const theme = request.params.theme.replace(/\-/g, `/`);
+
+		let file: string;
+		if (path == null || path === `/`) {
+			file = `index.html`
+		} else {
+			file = path;
+		};
+
+		log.silly(`Attempting to load file ${file} from theme ${theme}`);
+		return h.file(`${theme}/${file}`);
+	},
+};
+export default route;