feat: Update splash screen logo to match launcher icon (#158)

* feat: Update splash screen logo to match launcher icon

Updated the splash screen logo from old hourglass design to the new chevron arrow design that matches the launcher icon. The new logo uses the official SVG design from the project assets.

Changes:
- Updated logo_svg.xml with new path data from official logo.svg
- Changed viewport dimensions from 288x288 to 1024x1024
- Simplified path structure and removed unnecessary attributes
- Logo now matches ic_launcher design

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

* add darkmode splash

---------

Co-authored-by: Claude <noreply@anthropic.com>

Author: graycreate

app/src/main/res/values-night/themes.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <style name="SplashTheme" parent="Theme.SplashScreen">
+        <item name="windowSplashScreenBackground">@color/splash_bg_color</item>
+        <item name="windowSplashScreenAnimatedIcon">@drawable/logo_svg</item>
+        <item name="postSplashScreenTheme">@style/NightTheme</item>
+    </style>
+</resources>