Update and rename READMD.md to README.md

Author: Whitecat18

Sleep_Obfuscations/Ekko/READMD.md renamed to Sleep_Obfuscations/Ekko/README.md

@@ -18,4 +18,4 @@ Here, I have written two obfuscation methods: one is my own implementation via t
 - Originally discovered by [Peter Winter-Smith](peterwintrsmith) and used in MDSec’s Nighthawk
 - Thanks for contributing [@trickster012](https://twitter.com/trickster012)
 - https://learn.microsoft.com/
-- Rust Lang Community Discord: https://discord.com/invite/rust-lang-community ([MaulingMonkey](https://github.com/MaulingMonkey/))
+- Rust Lang Community Discord: https://discord.com/invite/rust-lang-community ([MaulingMonkey](https://github.com/MaulingMonkey/))