Update README.md

Author: Majid-Derhambakhsh

README.md

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-# ArduinoCore_X_AVR_Boards
+# Arduino Core X AVR Boards
+ST7789 LCD Library for ARM Cortex M (STM32) and AVR microcontrollers
+
+## Release
+### Version: Beta 1.0.0
+- #### Author: [Majid Derhambakhsh](https://github.com/majid-derhambakhsh)
+
+- #### Type: Arduino Board Package.
+
+- #### IDE: Arduino IDE 2 and Newer
+
+- #### Supported Platform:
+               - mBedLab X Series AVR Boards
+
+- #### Available Boards:
+               - X-Nobara R1
+
+- #### Changelog:
+               -   
+
+## Guide
+
+#### This package can be used as follows:
+#### 1.  Add "https://dev.mbedlab.com/package_xavrseries.json" in the "Additional Boards Managers URLs" Fiels
+#### 2.  Search and install "mBedLab X Series AVR Boards" in the "Board Manager"
+
+> [!WARNING]
+> This core version is compatible with Arduino 2
+
+> [!NOTE]
+> Be a part of making this package better by [sharing your thoughts and suggestions](mailto:majid.derhambakhsh@outlook.com).