refactor: read templates from local files

src/user/create_user.sh

@@ -0,0 +1,25 @@
+#!/bin/bash
+
+function create_user() {
+  username=$1
+
+  home_dir="/home/$username"
+
+  echo "[ USER ]: Starting user $username setup"
+  mkdir -p $home_dir
+  sudo useradd $username
+  echo "[ USER ]: Set a password for $username:"
+  sudo passwd "$username"
+  echo "[ USER ]: User created succesfully"
+
+  echo "[ USER ]: Adding user to groups"
+  sudo usermod -aG sudo $username
+  sudo usermod -aG www-data $username
+  sudo usermod -aG docker $username
+  echo "[ USER ]: User added to the following groupps (sudo, www-data, docker)"
+
+  echo "[ USER ]: Setting ownership of /home/$username folder"
+  sudo chown -R $username:$username /home/$username
+
+  echo "[ USER ]: User setup finished"
+}