add dockerignore to server

Co-authored-by: Hanen Alrwasheda <NiToThePowerOf2Plus2@users.noreply.github.com>
Co-authored-by: elkazelka <elkazelka@users.noreply.github.com>
Co-authored-by: mzeoba <mysuradze@gmail.com>

server/.dockerignore

+.dockerignore
+node_modules
\ No newline at end of file