Keep a changelog

Author: Ilia Lazarev

CHANGELOG.md

@@ -2,9 +2,13 @@
 
 ### Added
 - Summary of quantum Hamming distance calculation `review.ipnb`	 
+- Generalization of method in disscussion section 
 
 ### Changed
 - Figure `qcircuit`: add stages, removed measurements and initialization.
+- Quantum circuit explanation
 - Figure `distance_matrix`: single figure with marked errors. Simulators was removed.
 - Measurement result explanation
 - Explanation of error of distance matrix calculation
+- SOFM algorithm explanation
+- Review of the complexity and comparison with previous realization.