Add simple deploy script

script.js

@@ -19,7 +19,10 @@ entrySpans.forEach((span, index) => {
   const id = `entry-${slugify(term)}`;
   span.setAttribute("id", id);
   span.classList.add("entry-title");
-  span.style.setProperty("--entry-delay", `${Math.min(index * 0.01, 0.4)}s`);
+  /** @type {HTMLElement} */ (span).style.setProperty(
+    "--entry-delay",
+    `${Math.min(index * 0.01, 0.4)}s`,
+  );
   entryMap.set(term, id);
 });
 
@@ -54,7 +57,8 @@ Array.from(firstByLetter.entries())
 
 const searchInput = document.getElementById("toc-search");
 searchInput?.addEventListener("input", (event) => {
-  const query = event.target.value.trim().toLowerCase();
+  const target = /** @type {HTMLInputElement} */ (event.target);
+  const query = target.value.trim().toLowerCase();
   Array.from(tocList?.querySelectorAll("li") ?? []).forEach((item) => {
     const text = item.textContent.toLowerCase();
     item.style.display = text.includes(query) ? "" : "none";