Support .ttc files

[wdhwg001]

TTC files are TrueType Collection file, which contains several TrueType fonts.

It would be best if the support of .ttc files can be added.

[jeremyhart]

I will look into it if you can send me a file to test with

[wdhwg001]

How about using this: https://github.com/be5invis/Sarasa-Gothic/releases
It might be too large for me to send a TTC file, sorry for the inconvenience.