Update README.md

Author: Sadykhzadeh

README.md

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-# coder-helper.github.io
+# Coder Helper
+Open this site you can [here](http://coder-helper.github.io).
+
+# Description
+The main objective of the project is to combine useful tools for the programmer, pupils and everyone who is friends with mathematics with one fast and simple website
+
+*The code has NOT been polished and is provided "as is". There are a lot of code that are redundant and there are tons of improvements that can be made.*
+
+## Author
+(C) 2020 [Azer Sadykhzadeh](https://github.com/sadykhzadeh).