Update example/init slightly

examples/init

@@ -1,9 +1,6 @@
 #! /bin/sh
 
-# gdb ./zig-out/bin/beansprout
 ./zig-out/bin/beansprout &
 
-echo ">>>>> before foot"
 /usr/bin/foot &
 /usr/bin/foot &
-echo "<<<<< after foot"

src/WindowManager.zig

@@ -17,7 +17,7 @@ pub fn init(wm: *WindowManager, context: *Context, window_manager_v1: *river.Win
     wm.* = .{
         .context = context,
         .window_manager_v1 = window_manager_v1,
-        .seats = undefined,
+        .seats = undefined, // we will initialize this shortly
         .outputs = undefined,
         .windows = undefined,
     };