chore: node manager desktop app (#54)

* feat: added tauri app docs

* feat: finished Tauri docs

* chore: desktop app

---------

Co-authored-by: alenmestrov <[email protected]>

docs/03-getting-started/05-desktop-app.mdx

@@ -0,0 +1,40 @@
+---
+id: desktop-app
+title: Desktop App
+---
+
+Calimero Node Manager Desktop app is a simple desktop application that allows
+you to manage and interact with Calimero nodes without needing any technical
+knowledge.
+
+## Download and Install the App
+
+1. Go to the
+   [Calimero Node Manager download page](https://github.com/calimero-network/node-multiplatform-tauri/releases).
+2. Select the latest version and download the app for your machine from the
+   assets list:
+
+Download and run the installer. Follow the instructions to install the app.
+
+> **_NOTE:_** Supported OS
+>
+> - Linux: Works on modern distributions like Fedora, Red Hat, CentOS, Ubuntu,
+>   and Debian (64-bit systems)
+> - Mac: Supports macOS for both Intel and Apple Silicon Supported
+
+### Key Features
+
+- Initialize Node: Create and initialize a new node with specified parameters.
+- Update Node: Modify the configuration of an existing node.
+- Start Node: Start a specified node.
+- Stop Node: Stop a running node.
+- Get Node Log: Retrieve the log file for a specified node.
+- Delete Node: Remove a specified node from the application.
+- Open Dashboard: Open the admin dashboard for a specified node.
+
+If you'd like to run the app locally or contribute to its development, you can
+access the source code on our GitHub repository:
+[Node Multiplatform Tauri](https://github.com/calimero-network/node-multiplatform-tauri)
+
+Feel free to explore, fork the repository, and contribute by submitting pull
+requests or reporting issues.