Expanding the Root Partition for OpenWrt on Raspberry Pi v3.9.2

This release, tagged 3.9.2, includes updates to the guide on resizing the root partition for OpenWrt on Raspberry Pi and compatible boards. It provides clear steps for downloading the Ext4 version, expanding the root partition, and setting up an Ubuntu VM with USB passthrough. Users will also find enhanced troubleshooting tips to address common issues.