fix headline

README.md

@@ -1,14 +1,14 @@
 # Bux backend assigment
 
-Candidate: Stefan Dragisic
+## Candidate: Stefan Dragisic
 
-## Introduction
+### Introduction
 
 - Reactive CQRS application with matching engine as it core
 - Matching engine implemented using Max-Heap and Min-Heap
 - Supports backpressure and event streaming
 
-## Reasoning
+### Reasoning
 
 - **Matching engine**
     + Matching engine uses Max-Heap and Min-Heap
@@ -42,7 +42,7 @@ Candidate: Stefan Dragisic
     + The Protocol Buffers specification is implemented in many languages
     + Less Boilerplate Code - auto generated code, out-of-box JSON serializer...
 
-## Tests
+### Tests
 
 - [x] Unit tests
 - [x] Integration tests
@@ -54,11 +54,11 @@ Candidate: Stefan Dragisic
 |----|-----------|
 | 100%  |   96%         | 
 
-## Bonus
+### Bonus
 - [x] Order cancellation
 - [ ] Reactive Book UI
 
-## How to run
+### How to run
 
 Execute `mvn clean install` to build project and generate protobuf classes.