Update relase notes

CHANGELOG.md

@@ -5,6 +5,11 @@ Change Log
 4.2.1 (unreleased)
 --------------------------
 
+### New Features
+
+- Add Chinese (Traditional) localization (thanks to Shiki Suen!).
+
+
 ### Fixes
 
 - Fix an issue on CotEditor 4.2.0 that restoring documents on macOS 11.x made the application unstable.

CotEditor/CotEditor.help/Contents/Resources/en.lproj/pgs/releasenotes.html

@@ -22,6 +22,15 @@
 	</header>
 	
 	
+	<section>
+		<h2>New Features</h2>
+		
+		<ul>
+			<li>Add Chinese (Traditional) localization (thanks to Shiki Suen!).</li>
+		</ul>
+	</section>
+	
+	
 	<section>
 		<h2>Fixes</h2>
 		

CotEditor/CotEditor.help/Contents/Resources/ja.lproj/pgs/releasenotes.html

@@ -20,6 +20,15 @@
 	</header>
 	
 	
+	<section>
+		<h2>新機能</h2>
+		
+		<ul>
+			<li>繁体中国語のローカリゼーションを追加（Shiki Suenさんに感謝！）</li>
+		</ul>
+	</section>
+	
+	
 	<section>
 		<h2>修正</h2>