add initial logo to about page + assets and readme

README.md

@@ -1,5 +1,9 @@
 <div align="center">
-    <img src="/images/shell.png" alt="ZShell screenshot">
+    <picture>
+        <source media="(prefers-color-scheme: dark)" srcset="./assets/logo_dark.svg">
+        <source media="(prefers-color-scheme: light)" srcset="./assets/logo_light.svg">
+        <img src="./assets/logo_light.svg" alt="ZShell logo" width="480">
+    </picture>
 </div>
 
 # ZShell
@@ -8,6 +12,10 @@ ZShell is a Hyprland-focused desktop shell built with Quickshell + Qt6/QML.
 
 It includes a configurable top bar, launcher, notifications daemon + sidebar, wallpaper and dynamic color pipeline, lock screen, OSD widgets, dashboard, dock, desktop icons, and a separate greetd-compatible greeter.
 
+<div align="center">
+    <img src="/images/shell.png" alt="ZShell screenshot">
+</div>
+
 ## Highlights
 
 - Multi-window shell layout driven by `Drawers/Windows.qml` and panel/interactions wrappers
@@ -218,14 +226,14 @@ Action-driven flows (`>` prefix by default) include calculator, wallpaper picker
 
 ### `shell` — daemon management
 
-| Command | Description |
-|---------|-------------|
-| `start` | Start the shell daemon (pass `--no-daemon` to run in foreground) |
-| `kill`  | Kill the running shell daemon |
-| `restart` | Kill then restart the daemon |
-| `lock`  | Lock the session via IPC |
-| `show`  | Show the shell window via IPC |
-| `log`   | Print daemon logs |
+| Command   | Description                                                      |
+| --------- | ---------------------------------------------------------------- |
+| `start`   | Start the shell daemon (pass `--no-daemon` to run in foreground) |
+| `kill`    | Kill the running shell daemon                                    |
+| `restart` | Kill then restart the daemon                                     |
+| `lock`    | Lock the session via IPC                                         |
+| `show`    | Show the shell window via IPC                                    |
+| `log`     | Print daemon logs                                                |
 
 ### `scheme` — color scheme generation