feat: update to new render-request API

src/main.zig

@@ -28,11 +28,11 @@ pub fn init() void {
 
 var event_heap: [1024 * 128]u8 = undefined;
 var event_fba = std.heap.FixedBufferAllocator.init(&event_heap);
-pub fn update() void {
+pub fn update() bool {
     defer event_fba.end_index = 0;
     var ev = zz.getEvent(event_fba.allocator()) catch |e| {
         std.log.err("Failed to deserialize event: {}", .{e});
-        return;
+        return false;
     };
 
     switch (ev.data) {
@@ -40,9 +40,11 @@ pub fn update() void {
             mode = info.mode;
             pal = info.style.colors;
             keymap.populate(info.keybinds);
+            return true;
         },
         else => {},
     }
+    return false;
 }
 
 fn tryRender(cols: usize) !void {