change rainbow naming

README.md

@@ -29,7 +29,9 @@ All are welcome to use and re-purpose our emoji files as they see fit.
 ![:polyamy2:](dist/pride/polyam2.png?raw=true ":polyam2:")
 ![:prorgress:](dist/pride/progress.png?raw=true ":progress:")
 ![:prorgress2:](dist/pride/progress2.png?raw=true ":progress2:")
-![:rainbow:](dist/pride/rainbow.png?raw=true ":rainbow:")
+![:rainbow6:](dist/pride/rainbow6.png?raw=true ":rainbow6:")
+![:rainbow8:](dist/pride/rainbow8.png?raw=true ":rainbow8:")
+![:rainbow9:](dist/pride/rainbow9.png?raw=true ":rainbow9:")
 ![:trans:](dist/pride/trans.png?raw=true ":trans:")
 ![:transfemme:](dist/pride/transfemme.png?raw=true ":transfemme:")
 ![:transmasc:](dist/pride/transmasc.png?raw=true ":transmasc:")