update issue template

Author: thisbejim

.github/ISSUE_TEMPLATE.md

@@ -1,9 +1,10 @@
 Make sure these boxes are checked before submitting your issue:
 
 [] Check that your version of Python is 3.4+
+[] Check that you are on the newest version of Pyrebase
 [] Check that Email/password provider is enabled in your Firebase dashboard under Auth -> Sign In Method.
 
 Please don't be discouraged if you do not get a response to your issue quickly,
 I maintain Pyrebase for fun and don't always have as much free time as I'd like.
 
-Thank you for helping make Pyrebase a better! 
+Thank you for helping make Pyrebase a better!