Add fucking install

INSTALL.txt

+git clone https://git.nexlab.net/sysadmin/fuswim
+mv fuswin /etc/
+mkdir /etc/fuswin/networks
+cat > /usr/sbin/fuswin << EOF
+#!/bin/bash
+/etc/fuswin/fuswin $@
+EOF
+chmod +x /usr/sbin/fuswin
+echo "/etc/fuswin/fuswin boot wlan0" >> /etc/rc.local

README.txt

@@ -12,4 +12,6 @@
  That's it.
  
  Launch it in terminal, from /etc/rc.local, from sysv-init, from runit, from a 
- cron job. Just don't use systemd, because systemd is shit.
\ No newline at end of file
+ cron job. Just don't use systemd, because systemd is shit.
+
+ To install it, look at the fucking INSTALL.txt