refactor(install): streamline package installation command

install

@@ -2,15 +2,21 @@
 
 set -e
 
+# Use sudo only if not root
+APT_CMD="apt"
+if [ "$(id -u)" -ne 0 ]; then
+  APT_CMD="sudo apt"
+fi
+
 echo
 echo "[+] Updating System Packages..."
 echo
-sudo apt update -qq
+$APT_CMD update -qq
 
 echo
 echo "[+] Installing Dependencies..."
 echo
-sudo apt install -yqq \
+$APT_CMD install -yqq \
     zsh \
     curl \
     exa \
@@ -21,16 +27,16 @@ sudo apt install -yqq \
     tmux \
     dos2unix
 
-echo
-echo "[+] Installing Oh My Zsh..."
-echo
-
 if [ ! -d "$HOME/.oh-my-zsh" ]; then
+  echo
+  echo "[+] Installing Oh My Zsh..."
+  echo
   sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
 fi
 
+mkdir -p "$HOME/.ssh"
 echo "Include $HOME/.config/ssh/*" >> "$HOME/.ssh/config"
 
-cp post-merge .git/hooks
+cp post-merge .git/hooks/
 
 ./setup