* correct `vpp_count` -> `vpp_size`

RF1-kaitai/redfaction_data.ksy:
* swap some `u4`/`s4`
* add missing rotation matrix to `rf1_geo_region`
* update a few comments
* fix a few typos
* simplify a few names

RF1-kaitai/redfaction_rfl.ksy:
* change some `u4`->`s4`
* simplify and correct a few names