[ ] platform
    [ ] app
        [ ] wasm
            [x] exit function: maybe using alert
        [ ] win32
            [ ] hot reload / plugins
        [ ] linux
    [ ] os
        [?] wasm (explore)
        [ ] win32
        [ ] linux
    [ ] gfx
        [ ] simple 2d
            [ ] revisit api

[ ] core
    [x] revisit api
    [ ] s8_bin
        [ ] bin_write_begin - serialize binary data (sb8_bin_write?)
            bin_write_end
            bin_write_u64
            bin_write_u32
            bin_write_u16
            bin_write_u8
            bin_write_data
            bin_write_size
            bin_write_s8
            bin_write_cs
        [ ] bin_read_begin
            bin_read_end
            bin_read_...