Panasonic DMC-TZ81: add basic camera support
Panasonic DMC-TZ81: add basic camera support

see Darktable #11629

According to [1] TZ80, TZ81, TZ85, ZS60 is the same camera

all crop factor raw images are 4:3

[1]
https://helpx.adobe.com/at/camera-raw/kb/camera-raw-plug-supported-cameras.html

LebedevRI/rawspeed,darktable-org/rawspeed,darktable-org/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed,darktable-org/rawspeed,LebedevRI/rawspeed