added usage to the readme and updated readme

+ added usage to the readme
+ updated readme

Author: poyrazinan

README.md

@@ -1,11 +1,41 @@
+> `This project discounted atm.`
+
+> This is premium resource of TaskTimer usage information. You can check premium one: [BuiltByBit](https://builtbybit.com/resources/tasktimer-schedule-automated-commands.25268/)
+
+![Usage](img/usage.png)
+### [Click for current usage](https://bstats.org/plugin/bukkit/TaskTimer/16351)
+
 # TaskScheduler
 
-Basicly schedule multiple commands for desired week-day & hour to execute.
+TaskScheduler is a type of scheduling plugin. It assists you in running one or more commands at a specified time on a specific day (days of the week: SUN, MON, TUE, etc.) or every day of the week at the specified hour.
+
+## Configuration file
+<details>
+  <summary>config.yml</summary>
+
+    # You have to open HaveDate setting if you want to use it only one day.
+    Tasks:
+    0:
+        Time: '22:04:00'
+        HaveDate: true
+        Day: 'Mon'
+        Command:
+        - 'say This is a task for 22:04:00 only for Monday'
+    1:
+        Time: '22:04:05'
+        HaveDate: false
+        Day: ''
+        Command:
+        - 'say This is a task for 22:04:05 every day'
+</details>
 
-This project created when i was learning java.
+## Contributing
 
-Have lot's of duplications and bad code style.
+We welcome contributions from the community! If you would like to contribute, please follow these guidelines:
 
-You can use it as document or learning java as beginner.
+1. Fork the repository and clone it to your local machine.
+2. Create a new branch for your feature or bug fix.
+3. Make your changes, and ensure that your code is well-tested.
+4. Create a pull request with a detailed description of your changes.
 
-### This plugin have bad code style and duplications but working fine and do what is desired
+By contributing to this project, you agree to abide by the [Code of Conduct](CODE_OF_CONDUCT.md).