Update README.md

fixed readme headers

Author: rileyfiretail

README.md

@@ -2,18 +2,18 @@
 
 [![PyPI package](https://img.shields.io/badge/pip%20install-firetail--lambda-brightgreen)](https://pypi.org/project/firetail-lambda/) [![version number](https://img.shields.io/pypi/v/firetail-lambda?color=green&label=version)](https://github.com/Firetail-io/firetail-py-lambda/releases) [![Actions Status](https://github.com/Firetail-io/firetail-py-lambda/workflows/Test/badge.svg)](https://github.com/Firetail-io/firetail-py-lambda/actions) [![License: LGPL v3](https://img.shields.io/badge/License-LGPL_v3-blue.svg)](https://www.gnu.org/licenses/lgpl-3.0) [![codecov](https://codecov.io/gh/FireTail-io/firetail-py-lambda/branch/main/graph/badge.svg?token=HU206RRZZ4)](https://codecov.io/gh/FireTail-io/firetail-py-lambda)
 
-###Overview
+### Overview
 
 The purpose of this module is to correctly log out the AWS Lambda event and response payload to allow the firetail extension to then send it on to the firetail logging api
 
 The firetail_handler is a decorator that wraps around an event handler function in a AWS Lambda to extract the event and response payloads into a base64 logging message. 
 
-###Supported Lambda Runtimes
+### Supported Lambda Runtimes
 - [x] Python 3.7
 - [x] Python 3.8
 - [x] Python 3.9
 
-###Installation
+### Installation
 Install the module with using pip
 ```bash
 pip install -U firetail-lambda
@@ -89,4 +89,4 @@ def lambda_handler(event, context):
         })
     }
 
-```
+```