include Linux_Intall_ReadME.md and Arduino2 icon

Author: ArduinoShop

Diff for: Linux_Intall_ReadME.md

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+<img src="https://content.arduino.cc/website/Arduino_logo_teal.svg" height="100" align="right" />
+
+# Arduino IDE 2.x (beta) Linux Installer
+
+[![Arduino IDE](https://github.com/arduino/arduino-ide/workflows/Arduino%20IDE/badge.svg)](https://github.com/arduino/arduino-ide/actions?query=workflow%3A%22Arduino+IDE%22)
+
+This bash script installs the Arduino IDE 2.0 on Linux Desktop..
+
+--  May 4 2021 - testing on Ubuntu 21.04 ( Hippo )
+
+# Instructions
+
+1). open a termina window from the directory where you installed IDE 2.0
+2). type ./Linux_Install.sh [option] where option is one of the following
+	local   - installs the IDE for the local user only ( default is no option is given )
+	system  - installs the IDE system wide for all users
+	ulocal  - uninstalls the IDE from the current user.
+	usystem - uninstalls the IDE system wide from all users
+	
+3). go to Show Application ( button in lower left corner - or hit Home/Windows key )
+4). type Arduino in the search bar - you should see an icon for Arduino 2.0
+5). you can click on the icon to run the IDE - or right-click to add a it to the dock.
+
+<!-- img src="file:// -->
+
+
+	
+
+====================================================================================================================
+
+
+This open source code was written by the Arduino team and is maintained on a daily basis with the help of the community. We invest a considerable amount of time in development, testing and optimization. Please consider [donating](https://www.arduino.cc/en/donate/) or [sponsoring](https://github.com/sponsors/arduino) to support our work, as well as [buying original Arduino boards](https://store.arduino.cc/) which is the best way to make sure our effort can continue in the long term.
+
+## License
+
+The code contained in this repository and the executable distributions are licensed under the terms of the GNU AGPLv3. The executable distributions contain third-party code licensed under other compatible licenses such as GPLv2, MIT and BSD-3. If you have questions about licensing please contact us at [[email protected]](mailto:[email protected]).