docs: Show inline TS section

Author: flovogt

packages/quickstart/README.md

@@ -1,6 +1,6 @@
 # OpenUI5 Quickstart
 
-In this tutorial we'll introduce you to all major development paradigms of OpenUI5. <details class="ts-only" markdown="1"><summary>This section is relevant for TypeScript only</summary>We'll also demonstrate the use of TypeScript with OpenUI5 and highlight the specific characteristics of this approach.</details>
+In this tutorial we'll introduce you to all major development paradigms of OpenUI5. <details class="ts-only"><summary>This section is relevant for TypeScript only</summary><span>We'll also demonstrate the use of TypeScript with OpenUI5 and highlight the specific characteristics of this approach.</span></details>
 
 ## Description
 

packages/walkthrough/README.md

@@ -1,6 +1,6 @@
 # OpenUI5 Walkthrough
 
-In this tutorial we'll introduce you to all major development paradigms of OpenUI5. <details class="ts-only" markdown="1"><summary>This section is relevant for TypeScript only</summary>We'll also demonstrate the use of TypeScript with OpenUI5 and highlight the specific characteristics of this approach.</details>
+In this tutorial we'll introduce you to all major development paradigms of OpenUI5. <details class="ts-only"><summary>This section is relevant for TypeScript only</summary><span>We'll also demonstrate the use of TypeScript with OpenUI5 and highlight the specific characteristics of this approach.</span></details>
 
 ## Description