feat: Add application icon and update version to v1.3.10

- Add application icon (extension_icon.png and extension_icon@1024px.png)
- Update PyInstaller spec file to use icon
- Update build.py script to include icon parameter
- Add icon to README (512px, centered)
- Bump version from 1.3.9 to 1.3.10

💘 Generated with Crush

Assisted-by: GLM-4.7 via Crush <crush@charm.land>

Author: Ian-bug

README.md

@@ -1,13 +1,20 @@
+<div align="center">
+
 # RainingKeys (Python)
 
+  <img src="extension_icon.png" alt="RainingKeysPython Icon" width="128">
+
+
 ![License](https://img.shields.io/github/license/Ian-bug/RainingKeysPython?style=for-the-badge)
 ![Python](https://img.shields.io/badge/python-3.10+-blue?style=for-the-badge&logo=python&logoColor=white)
 ![Platform](https://img.shields.io/badge/platform-Windows-0078D6?style=for-the-badge&logo=windows&logoColor=white)
 ![CI](https://img.shields.io/github/actions/workflow/status/Ian-bug/RainingKeysPython/Code%20Quality?style=for-the-badge)
 ![Release](https://img.shields.io/github/v/release/Ian-bug/RainingKeysPython?style=for-the-badge)
 [![ko-fi](https://ko-fi.com/img/githubbutton_sm.svg)](https://ko-fi.com/Y8Y01WG0DL)
 
-A high-performance, external rhythm game input visualizer.
+**A high-performance, external rhythm game input visualizer.**
+
+</div>
 
 RainingKeys is a purely external overlay application that visualizes keyboard inputs as falling bars, similar to "Rain" mode found in various rhythm game mods. It provides visual feedback on rhythm stability, micro-jitter, and input timing without injecting code into game process.
 

build.py

@@ -51,6 +51,7 @@ def build(debug_mode):
         '--noconfirm',
         '--clean',
         '--name', EXECUTABLE_NAME,
+        '--icon', 'extension_icon@1024px.png',
         MAIN_SCRIPT
     ]
 

core/configuration.py

@@ -168,7 +168,7 @@ class AppConfig:
     MAX_BARS: int = 300
     INPUT_LATENCY_OFFSET: float = 0.0
     DEBUG_MODE: bool = False
-    VERSION: str = "1.3.9"
+    VERSION: str = "1.3.10"
     CONFIG_VERSION: int = 1  # Config schema version for migrations
     display: DisplayConstants = field(default_factory=DisplayConstants)