Update README.md (#2)

Author: hustcer

README.md

@@ -4,6 +4,43 @@ Package and release the official Nushell binaries in `deb`, `rpm`, and `apk` etc
 
 **Notes**: Once stabilized, this repository may be transferred to the Nushell organization.
 
+## Install Nushell for Ubuntu/Debian
+
+```nu
+curl -fsSL https://apt.fury.io/nushell/gpg.key | sudo gpg --dearmor -o /etc/apt/trusted.gpg.d/fury-nushell.gpg
+echo "deb https://apt.fury.io/nushell/ /" | sudo tee /etc/apt/sources.list.d/fury.list
+sudo apt update
+sudo apt install nushell
+which nu
+nu -c 'version'
+```
+
+## Install Nushell for RedHat/Fedora/CentOS/Rocky Linux
+
+```nu
+echo "[gemfury-nushell]
+name=Gemfury Nushell Repo
+baseurl=https://yum.fury.io/nushell/
+enabled=1
+gpgcheck=0
+gpgkey=https://yum.fury.io/nushell/gpg.key" | tee /etc/yum.repos.d/fury-nushell.repo
+dnf install -y nushell
+which nu
+nu -c 'version'
+```
+
+## Install Nushell for Alpine Linux
+
+```nu
+echo "https://alpine.fury.io/nushell/" | tee -a /etc/apk/repositories
+apk update || true
+apk add --allow-untrusted nushell
+which nu
+nu -c 'version'
+```
+
+Read the [`test` workflow](https://github.com/hustcer/distro/blob/main/.github/workflows/test.yml)
+
 ## License
 
 Licensed under: