added alias mkdircd

rc.xsh

@@ -175,10 +175,11 @@ if docker_gid:
 aliases['dpkg-welse'] = lambda args: '\n'.join(dpkg_welse(args[0]))
 aliases['dpkg-which'] = lambda args: '\t'.join(dpkg_which(args[0]))
 aliases['g'] = ['git']
-aliases['j'] = ['journalctl', '--output=short-iso'] 
+aliases['j'] = ['journalctl', '--output=short-iso']
 aliases['less'] = ['less', '--jump-target=.2']
 aliases['ll'] = ['ls', '-l', '--all', '--indicator-style=slash',
                  '--human-readable', '--time-style=long-iso', '--color=auto']
+aliases['mkdircd'] = lambda args: (os.makedirs(args[0]), os.chdir(args[0]))
 aliases['p'] = ['pass']
 
 if shutil.which('startx') and $(tty).rstrip() == '/dev/tty1':