Add README

README.md

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+# Devlab Installation Guide
+
+## Installation
+
+Upload `install-devlab.sh` to your server, then run:
+
+```bash
+chmod +x install-devlab.sh
+sudo ./install-devlab.sh
+```
+
+## Post-Installation Setup
+
+After the installation completes, copy the `devlab` command to your system path:
+
+```bash
+sudo cp devlab.sh /usr/local/bin/devlab
+```
+
+Verify that Devlab is installed and running correctly:
+
+```bash
+devlab status
+```
+
+## Requirements
+
+* Linux server with sudo privileges
+* Bash shell
+* Internet connectivity for package installation
+
+## Usage
+
+Check the current Devlab status:
+
+```bash
+devlab status
+```