chore: minor fixes

Author: MasterHiei

example/pubspec.lock

@@ -604,14 +604,6 @@ packages:
       relative: true
     source: path
     version: "1.0.0-alpha.15"
-  timezone:
-    dependency: "direct main"
-    description:
-      name: timezone
-      sha256: ffc9d5f4d1193534ef051f9254063fa53d588609418c84299956c3db9383587d
-      url: "https://pub.dev"
-    source: hosted
-    version: "0.10.0"
   todo:
     dependency: transitive
     description:

example/pubspec.yaml

@@ -17,8 +17,9 @@ dependencies:
   time: ^2.1.4
   timetable:
     path: ../
-  # Optional: it is only required for displaying current time indicator with specific time zone
-  timezone: ^0.10.0
+  # Optional: only needed if you want to display the current time indicator using a specific time zone.
+  # You may use any alternative package as well.
+  # timezone: ^0.10.0
 
 dev_dependencies:
   supernova: