install stage 2: finish system setup

- allow the user to add a user
- remove installation files

This commit was originally part of a larger _kitchen sink mix commit_

install-stage2.sh

@@ -132,4 +132,14 @@ else
     exit 1
 fi
 
+# Stage 2 Tasks
+echo "Setting up user..."
+read -p "Enter username: " NEW_USER
+useradd -m -G wheel "$NEW_USER"
+passwd "$NEW_USER"
+
+echo "Cleaning up installation files..."
+rm -rf "$STAGE2_DIR"
+mv /mnt/target/etc/sv/agetty-tty1/conf.bak /mnt/target/etc/sv/agetty-tty1/conf >> $LOGFILE 2>&1
+
 bash --norc --noprofile