Builds MediaMTX combined ipk packages for OpenWrt.
For information on how to use this, see: ipavlushin.github.io/openwrt-mediamtx.
Run build.sh.
Optionally set ARCH and/or BRANCH to override the default architecture and version to build
Opkg feed and ipk files are generated in packages/!
Submit a pull request (preferred) or issue with the correct GOARCH and opkg Architecture.