feat: math chapter done + editorconfig + remove pycache

src/modules/probability.py

@@ -0,0 +1,10 @@
+## This module represents the second chapter of the book 
+##  "Essential Math for Data Science" - Thomas Nield
+##  Chaper 2 - Probability 
+
+# 2.0 odds means than an events has twice the probabilities to happen than not
+def p_odds_to_probability(o):
+	return  (o / (1 + o))
+
+def p_probability_to_odds(p):
+	return (p / (1 - p))