Updated summary.md : codeiiest-dev#3

Author: aasthasingh73

src/MachineLearningAlgorithms/README.md

@@ -5,6 +5,12 @@ These are the engines of Machine Learning.
 <hr>
 
 ## Topics Covered
-
-- [Regression](./Regression/Regression.md)
+- [Important Python Libraries](./IMPORTANT_PYTHON_LIBRARIES/INTRO.md)
+  - [NumPy](./IMPORTANT_PYTHON_LIBRARIES/numpy.md)
+  - [Matplotlib](./IMPORTANT_PYTHON_LIBRARIES/matplotlib.md)
+  - [Pandas](./IMPORTANT_PYTHON_LIBRARIES/pandas.md)
+  - [Scikit-learn](./IMPORTANT_PYTHON_LIBRARIES/Scikit-learn.md)
+  - [Scipy](./IMPORTANT_PYTHON_LIBRARIES/SciPy.md)
+ - [Regression](./Regression/Regression.md)
   - [Linear Regression](./Regression/LinearRegression/LinearRegression.md)
+