Associating a custom icon to my language extension

[NavnathKumbhar]

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Hello,
I have created a language extension. It supports files with ".br" and ".ots" extensions. Now I want to associate a custom icon to .br anr .ots files.
How can I achieve this?

I am using Visual Studio Code 1.31.1

Thank you in advance!

[Gama11]

Duplicate of #14662.

[NavnathKumbhar]

So as per the suggestions provided by you in #14662, I want to contribute to VSCode to add my custom icon definitions in Seti icon theme. From where should I start?

[NavnathKumbhar]

I cloned the vscode repository which I forked. To add a new icon for my language extension, It seems that I have to modify sett.woff font file. Perhaps, I have to add a new glyph for my custom icon.

Is it acceptable change in vscode? Or can I add a image file for my custom icon inside extensions\theme-seti\icons\ ?

Thank you in advance.