Add simplified Chinese variants to input method tables.
Use unihan Unihan_Variants Unihan_Variants.txt
all filenames hard coded
download the source tables from github
use your editor to cut the largest table into a single text table
run this then paste it back into the original source file
ibus-table-createdb -s cangjie5.txt
sudo chown root.root cangjie5.db
sudo mv cangjie5.db /usr/share/ibus-table/tables/