split the changelog from README.md

CHANGELOG.md

@@ -0,0 +1,34 @@
+# Changelog
+
+- 2024-05-22:
+    - Replace the physics engine to [box2d-wasm](https://github.com/Birch-san/box2d-wasm) for improving the performance.
+- 2024-02-19:
+    - Improved the UI design
+- 2024-02-16:
+    - Add a feature for recording video
+- 2024-02-14:
+    - Add a map selector.
+- 2024-01-18:
+    - A new map has added.
+- 2023-11-24:
+    - Force move the marble randomly if it stays still over 1 second.
+- 2023-10-08:
+    - Save names in the local storage automatically.
+- 2023-09-23:
+    - You can move the viewport by dragging your cursor on the minimap.
+- 2023-09-22:
+    - Add a button that sets the last one to the winner.
+- 2023-08-02:
+    - Now the names will not cover the whole screen if there are many. You can scroll the names with your mouse wheel.
+- 2023-07-29:
+    - Adjusted the map to prevent a marble stays too long in a specific place.
+- 2023-07-21:
+    - Improve the performance when there are too many marbles in the game.
+- 2023-07-21:
+    - Fix the issue the slow-motion seems flickering
+    - End the game immediately if only one marble survives and the winning rank is the last.
+- 2023-07-16:
+    - Now you can adjust the game speed.
+- 2023-05-29:
+    - Now you can shake the game if the marbles are being stuck for more than 3 seconds.
+

README.md

@@ -4,43 +4,11 @@ This is a lucky draw by dropping marbles.
 
 [Demo]( https://lazygyu.github.io/roulette )
 
-# ChangeLogs
-
-- 2024-02-19:
-  - Improved the UI design
-- 2024-02-16:
-  - Add a feature for recording video
-- 2024-02-14:
-  - Add a map selector.
-- 2024-01-18:
-  - A new map has added.
-- 2023-11-24:
-  - Force move the marble randomly if it stays still over 1 second.
-- 2023-10-08:
-  - Save names in the local storage automatically. 
-- 2023-09-23:
-  - You can move the viewport by dragging your cursor on the minimap.
-- 2023-09-22:
-  - Add a button that sets the last one to the winner.
-- 2023-08-02:
-  - Now the names will not cover the whole screen if there are many. You can scroll the names with your mouse wheel.
-- 2023-07-29:
-  - Adjusted the map to prevent a marble stays too long in a specific place.
-- 2023-07-21:
-  - Improve the performance when there are too many marbles in the game.
-- 2023-07-21:
-  - Fix the issue the slow-motion seems flickering
-  - End the game immediately if only one marble survives and the winning rank is the last.
-- 2023-07-16: 
-    - Now you can adjust the game speed.
-- 2023-05-29: 
-  - Now you can shake the game if the marbles are being stuck for more than 3 seconds.
-
 # Requirements
 
 - Typescript
 - Parcel
-- Planck.js
+- box2d-wasm
 
 # Development