Added description of rndfile.cgi

README.md

 For improved visual feedack, it will pre-pend the file contents with the file
 path and an "animation".  Display of the header can be controlled by options,
 see `--usage`.
+
+
+##randomfile.pl##
+
+Send a 7-bit plain-text file via HTTP.  One of these is sent:
+
+*   random content of random length given by parameters *min* and *max*
+
+*   EICAR test virus file
+
+Chance to receive EICAR is given by parameter *eicar* (0-100).