add reusable babycode editor

js/thread.js

@@ -1,8 +1,10 @@
-const ta = document.getElementById("post_content");
+{
+  const ta = document.getElementById("post_content");
 
-for (let button of document.querySelectorAll(".reply-button")) {
-  button.addEventListener("click", (e) => {
-    ta.value += button.value;
-    ta.scrollIntoView()
-  })
+  for (let button of document.querySelectorAll(".reply-button")) {
+    button.addEventListener("click", (e) => {
+      ta.value += button.value;
+      ta.scrollIntoView()
+    })
+  }
 }