Update README.md

Author: smartdevelopers-ir

README.md

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 [![donate](https://img.shields.io/badge/Donate-Crypto-yellow.svg)](https://smartdevelopers-ir.github.io/donate)
+![GitHub tag (latest by date)](https://img.shields.io/github/v/tag/smartdevelopers-ir/SmartFilePicker)
 # SmartFilePicker
 This is Telegram like File Picker for android .