aki-xcat 0.1.35

concatenate files that are plain, gzip, xz and zstd.
Documentation 
# aki-xcat

## Todos

- [X] output line number for each lines
- [X] output file or path name for each lines
- [X] check file type
- [ ] combine lines from files
- [ ] pipe in
- [ ] visualize control characters
- [ ] reverse lines output