Added issuestats badges to readme file

Author: Byron

README.md

@@ -10,6 +10,8 @@ Although memory maps have many advantages, they represent a very limited system
 
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 Smmap wraps an interface around mmap and tracks the mapped files as well as the amount of clients who use it. If the system runs out of resources, or if a memory limit is reached, it will automatically unload unused maps to allow continued operation.