Feat: Add new build system with esbuild and fix dist

Author: jlukic

client-shim.min.js

@@ -1,4 +1,5 @@
-const addSlotAttrsToHtmlString = (slotName, html) => {
+// src/client.ts
+var addSlotAttrsToHtmlString = (slotName, html) => {
   const templ = document.createElement("template");
   templ.innerHTML = html;
   Array.from(templ.content.children).forEach((node) => {

dist/client.js

@@ -1,3 +1,4 @@
+// src/index.ts
 import { readFileSync } from "node:fs";
 function getViteConfiguration() {
   return {