feat: add blockescape plugin for easy escaping

from block elements

packages/tinymce-plugins/blockescape/index.js

@@ -0,0 +1,14 @@
+const { addPluginToPluginManager } = require("../utils");
+
+function register(editor) {
+  editor.on("NewBlock", (e) => {
+    const element = e.newBlock;
+    if (element && element.parentElement.tagName === "BLOCKQUOTE") {
+      editor.execCommand("mceToggleFormat", false, "blockquote");
+    }
+  });
+}
+
+(function init() {
+  addPluginToPluginManager("blockescape", register);
+})();