feat: add more disk managmeent commands

## Show filesystems

```shell

sudo df -h

df -h

```

Example output:

tmpfs            97M     0   97M   0% /run/user/1003

```

## List folders

## List block devices

```shell

du -h -d 1 | sort -h

lsblk

```

Example output:

```shell

8.0K    ./.ansible

8.0K    ./.config

8.0K    ./.vim

12K     ./.ssh

172K    .

NAME   MAJ:MIN RM  SIZE RO TYPE MOUNTPOINT

sda      8:0    0   20G  0 disk 

├─sda1   8:1    0    1G  0 part /boot

└─sda2   8:2    0   19G  0 part 

  ├─vg0-root 253:0 0 15G  0 lvm  /

  └─vg0-swap 253:1 0  4G  0 lvm  [SWAP]

```

## Partition management (fdisk)

```shell

# Interactive partition tool

fdisk /dev/sda

# List partitions

fdisk -l /dev/sda

```

## LVM management

```shell

# Physical volumes

pvdisplay

pvcreate /dev/sda2

pvremove /dev/sda2

# Volume groups

vgdisplay

vgcreate vg0 /dev/sda2

vgextend vg0 /dev/sdb1

vgreduce vg0 /dev/sdb1

# Logical volumes

lvdisplay

lvcreate -L 10G -n lv_data vg0

lvextend -L +5G /dev/vg0/lv_data

lvreduce -L -2G /dev/vg0/lv_data

lvremove /dev/vg0/lv_data

# Resize filesystem after extending LV

resize2fs /dev/vg0/lv_data  # ext4

xfs_growfs /mount/point     # xfs

```

## Create filesystems

```shell

# ext4

mkfs.ext4 /dev/sda1

# xfs

mkfs.xfs /dev/sda1

# btrfs

mkfs.btrfs /dev/sda1

# With label

mkfs.ext4 -L mydata /dev/sda1

```

## Disk usage

```shell

# Show inode usage

df -i

# List folders

du -h -d 1 | sort -h

# Find large files

find / -type f -size +100M -exec ls -lh {} \;

```

## Mount operations

```shell

# Mount filesystem

mount /dev/sda1 /mnt

# Unmount

umount /mnt

# Show all mounts

mount | column -t

# Persistent mounts (add to /etc/fstab)

/dev/vg0/lv_data  /data  ext4  defaults  0  2

UUID=xxx          /data  ext4  defaults  0  2

```