chore: update changelog date and format for consistency

Author: euxx

CHANGELOG.md

@@ -6,11 +6,11 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 
 ## [Unreleased]
 
-## [1.0.0] - 2025-11-20
+## [1.0.0] - 2025-11-30
 
-- Classic 16-tile volume HUD with quarter-tile precision
-- Shows the sound output device and numeric volume on HUD
-- Displays volume HUD on all displays
-- Shows volume HUD when switching sound output devices
-- Menu bar icon with subtle progress bar that changes with volume
-- Native, minimal, lightweight implementation
+- 🔲 Classic 16-tile volume HUD with quarter-tile precision
+- 🎧 Shows the sound output device and numeric volume on volume HUD
+- 🖥️ Shows volume HUD on all displays
+- 🔄 Shows volume HUD when switching sound output devices
+- 🔊 Menu bar icon with subtle progress bar that changes with volume
+- 🛠️ Native, minimal, lightweight (~2MB app, ~20MB RAM)