message: docs: fix broken image link in data filtering
  Fixes broken links in the documentation site.
diff: @@ -8,7 +8,7 @@ You can hide specific disks, temperature sensors, and networks by name in the co
  For example, here's the disk widget with no filter:
  -![Disk no filter](/assets/screenshots/config/disk-filtering/disk_no_filter.webp)
  +![Disk no filter](../../../assets/screenshots/config/disk-filtering/disk_no_filter.webp)
  The following in the config file would filter out some entries by disk name:
  @@ -21,7 +21,7 @@ case_sensitive = false
  whole_word = false
  ```
  -![Disk widget with just disk name filter](/assets/screenshots/config/disk-filtering/disk_name_filter.webp)
  +![Disk widget with just disk name filter](../../../assets/screenshots/config/disk-filtering/disk_name_filter.webp)
  If there are two potentially conflicting filters (i.e. when you are using both a disk and mount filter), the filter that explicitly allows an entry takes precedence over a filter that explicitly denies one. So for example, let's say we set a disk filter accepting anything with `/dev/sda`, but deny anything with `/mnt/.*` or `/`. So to do so, we write in the config file:
  @@ -43,4 +43,4 @@ whole_word = true
  This gives us:
  -![Disk widget with disk name and mount filter](/assets/screenshots/config/disk-filtering/disk_name_mount_filter.webp)
  +![Disk widget with disk name and mount filter](../../../assets/screenshots/config/disk-filtering/disk_name_mount_filter.webp)
  