Update README.md

README.md

@@ -8,13 +8,21 @@ for **CI/CD** development and CLI lovers.
 * Windows
 * Linux
 * MacOS (arm64, amd64)
+* NixOS
 
 ## Requirements
 
 * [wireguard](https://www.wireguard.com)
 
 ## Install zCLI
 
+### Package managers
+
+#### Npm
+```
+npm i -g @zerops/zcli
+```
+
 ### Windows
 Execute following command in PowerShell
 ```powershell
@@ -27,12 +35,14 @@ Execute following command in Terminal
 curl -L https://zerops.io/zcli/install.sh | sh
 ```
 
-### Package managers
+### NixOS
+
+- Clone this repository
+- `cd zcli` into the root of the cloned repository and run `nix develop`.
+- Run `nix build` to build the binary / execuetable of zCli.
+- zCLI's binary / execuetable will be present in `./result/bin/zcli`.
+
 
-#### Npm
-```
-npm i -g @zerops/zcli
-```
 
 Currently, the zCLI is distributed for Linux (x86 & x64 architecture), macOS (x64 & M1 architecture) and Windows (x64 architecture).