Update README.md

Author: Yoz75

README.md

@@ -16,3 +16,4 @@ tg={number} - generate x tokens (tokens != symbols)<br>
 ts={number} - set token size to x symbols (tg=100 ts=2 will generate 200 symbols. Less values makes strange result, but too big values just copy parts of text)<br>
 tn={number} - set next tokens size to x tokens (less values gives repeating values like abrbrbrbbrbrbrbrbrbrbr...)<br>
 tr={number 0..100} - set the chance of random next token (0 - no random, 99 - all random)<br>
+fr={number} - generate text and use it again x times (uses generated text as input)