Update README with status badges

Author: phrdang

README.md

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 # Python
 Source code from Code For Tomorrow's Python course
 
+![Python (Lintly)](https://github.com/code-for-tomorrow/python/workflows/Python%20(Lintly)/badge.svg)
+![Python (Lint Action)](https://github.com/code-for-tomorrow/python/workflows/Python%20(Lint%20Action)/badge.svg)
+
 ## Difficulty Level
 Source code is organized under 3 difficulty levels:
 1. `1_beginner`