Merge pull request #1738 from arduino/karlsoderby/create-agent-docs

[Arduino Cloud] Cloud Agent Mini-article

Author: karlsoderby

Diff for: content/arduino-cloud/02.hardware/00.cloud-agent/assets/board-connected.png

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+---
+title: Cloud Agent
+description: The Cloud Agent allows Arduino boards to interface with the Arduino Cloud.
+tags: [Arduino Cloud, Cloud Agent, Cloud Editor]
+author: Karl Söderby
+---
+
+The [Arduino Cloud Agent](https://create.arduino.cc/getting-started/plugin/welcome) is a plugin that you install on your computer, that enables serial communication between your board and the Arduino Cloud. This allows you to upload sketches, and read/write serial data to/from your board, via your web browser.
+
+The Cloud Agent is a requirement to program your devices in the Arduino Cloud, and takes only a minute to install.
+
+## Installation
+
+When you configure a device or use the Cloud Editor, you will automatically receive a prompt to install the Cloud Agent. 
+
+You can also access the download page through [this link](https://create.arduino.cc/getting-started/plugin/welcome). It should look like this:
+
+![Download Cloud Agent.](assets/install-agent.png)
+
+Follow the installation guide in the page, where you will download an installation file. To install it, run the file and follow the instructions for your operating system.
+
+Once installed, you can navigate back to the Cloud Editor, and you should be able to recognize the board connected to your computer.
+
+![Board connected to computer.](assets/board-connected.png)
+
+## Source Code
+
+The source code for the Cloud Agent lives [in this GitHub repository](https://github.com/arduino/arduino-create-agent). To report issues or improvements, please do so inside in this repository.
+
+## Troubleshooting
+
+If you are having issues with the Cloud Agent, you can visit the link below:
+- [Arduino Help Center - Create Agent](https://support.arduino.cc/hc/en-us/articles/360014869820-Install-the-Arduino-Create-Agent)