compound-binary-file-js/src/stream/StreamWriter.ts

This is an implementation of [Compound Binary File v.3](https://docs.microsoft.com/en-us/openspecs/windows_protocols/ms-cfb/53989ce4-7b05-4f8d-829b-d08d6148375b) \ Allows reading existing files, creation of the/write operation

export interface StreamWriter {
    write(data: number[]): number;
    writeAt(startingSector: number, position: number, data: number[]): void;
    append(startingSector: number, currentSize: number, data: number[]): number;
}