Update README.md

extended usage tab

Author: Emayeah

README.md

@@ -4,6 +4,9 @@ base64 encoder and decoder in python
 ## Usage
 - Download the file
 - Run it using `Python3 base.py` after cd-ing in the directory the python script is
+- select 1 for encoding or 2 for decoding
+- input the text
+- the program will spit out the base64 version
 
 
 ### Note
@@ -15,3 +18,5 @@ hopefully i don't have to say it but knowing what happened on the github reddit:
 - execute the command i wrote in the usage section
 
 have fun using it
+
+if you find any bugs post it in the issues tab, i'll probably won't fix quickly since i dont really often check github