updates + waybar update notification

hosts/desktop/hyprland/config/waybar/scripts/waybar-updates.py

@@ -72,7 +72,10 @@ def read_cache():
 
 def main():
     now = int(datetime.now().strftime("%H"))
-    mtime = int(time.localtime(os.stat(json_cache).st_ctime).tm_hour)
+    if os.path.exists(json_cache):
+        mtime = int(time.localtime(os.stat(json_cache).st_ctime).tm_hour)
+    else:
+        mtime = now + 1
 
     if (now % 2 == 0 and mtime < now) or not os.path.exists(json_cache):
         check()