update release notes

src/assets/realease_notes.html

@@ -15,6 +15,7 @@
         <h3 id="ver-241213-nightly"> ver. 241203-nightly</h3>
         <p>
             <ul>
+                <li><b>[UI][DragPanel]</b> added theme-based backgound color</li>
                 <li><b>[UI]</b>set max content width to 1920px to reduce deformity in ultrawide displays</li>
                 <li><b>[SPTS]</b>limit notification subscription to current scope</li>
                 <li><b>[Auth]</b>added encryption for user authentication</li>

src/assets/realease_notes.md

@@ -1,5 +1,6 @@
 # Financial Information System (FIS)
 ### ver. 241213-nightly
+[UI][DragPanel] added theme-based backgound color    
 [UI] set max content width to 1920px to reduce deformity in ultrawide displays    
 [SPTS] limit notification subscription to current scope    
 [Auth] added encryption for user authentication