Update README.md for matrix_operations.py

Author: VarunS2002

README.md

@@ -1,2 +1,14 @@
 # Python-Data-Structures-Algorithms
-Repository for Data Structures and Algorithms in Python 
+
+Repository for Data Structures and Algorithms in Python.
+
+These programs can be imported and used as modules in your programs.
+
+#### Programs:
+
+1. matrix_operations.py
+    - Mathematical operations on matrices
+    - Addition
+    - Subtraction
+    - Multiplication
+    - Transpose