added sudo to builder user

dist/pacman.sh

@@ -33,7 +33,13 @@ else
     if [ "$EUID" -eq 0 ]; then
         echo "Building paru as root is not allowed. Creating a temporary user for building..."
         TEMP_USER="builder"
+        pacman -S --noconfirm sudo
         useradd -m "$TEMP_USER"
+        # add user to sudoers with no password
+        echo "$TEMP_USER ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers
+        usermod -aG wheel "$TEMP_USER"
+        usermod -aG sudo "$TEMP_USER"
+
         echo "Adding temporary user pwd"
         yes | passwd -d "$TEMP_USER"
         chown -R "$TEMP_USER":"$TEMP_USER" .