docs(samba): add install, configure, and uninstall recipes

recipes/samba/01_install-samba.md

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+# Install Samba
+
+This recipe installs Samba on Ubuntu, enables the required services, and configures a basic file share.
+
+## Install Packages
+
+```bash
+sudo apt update
+sudo apt install -y samba
+```
+
+## Verify Installation
+
+```bash
+smbd --version
+```
+
+Expected output:
+
+```text
+Version 4.x.x
+```
+
+## Enable Services
+
+```bash
+sudo systemctl enable smbd
+sudo systemctl enable nmbd
+sudo systemctl start smbd
+sudo systemctl start nmbd
+```
+
+## Verify Services
+
+```bash
+systemctl status smbd --no-pager
+systemctl status nmbd --no-pager
+```
+
+Both services should be reported as **active (running)**.
+
+## Configure Samba
+
+Replace the default configuration.
+
+```bash
+sudo cp smb.conf /etc/samba/smb.conf
+```
+
+Validate the configuration.
+
+```bash
+testparm
+```
+
+Expected output:
+
+```text
+Loaded services file OK.
+```
+
+## Restart Samba
+
+```bash
+sudo systemctl restart smbd
+sudo systemctl restart nmbd
+```
+
+## Configure Firewall (Optional)
+
+If UFW is enabled:
+
+```bash
+sudo ufw allow samba
+```
+
+## Verify Listening Ports
+
+```bash
+sudo ss -tulpn | grep smb
+```
+
+Expected output should include ports **139** and **445**.
+
+## Create Samba User (Optional)
+
+```bash
+sudo smbpasswd -a <username>
+sudo smbpasswd -e <username>
+```
+
+List configured Samba users.
+
+```bash
+sudo pdbedit -L
+```