Add codecov.yml (#91)

Signed-off-by: wslulciuc <[email protected]>

Author: wslulciuc

README.md

@@ -1,10 +1,10 @@
 # Marquez Java Client
 
-[![CircleCI](https://circleci.com/gh/MarquezProject/marquez-java/tree/master.svg?style=shield)](https://circleci.com/gh/MarquezProject/marquez-java/tree/master) 
-[![codecov](https://codecov.io/gh/MarquezProject/marquez-java/branch/main/graph/badge.svg)](https://codecov.io/gh/MarquezProject/marquez-java/branch/master)
+[![CircleCI](https://circleci.com/gh/MarquezProject/marquez-java/tree/main.svg?style=shield)](https://circleci.com/gh/MarquezProject/marquez-java/tree/main) 
+[![codecov](https://codecov.io/gh/MarquezProject/marquez-java/branch/main/graph/badge.svg)](https://codecov.io/gh/MarquezProject/marquez-java/branch/main)
 [![status](https://img.shields.io/badge/status-WIP-yellow.svg)](#status)
 [![Gitter](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/marquez-project/community)
-[![license](https://img.shields.io/badge/license-Apache_2.0-blue.svg)](https://raw.githubusercontent.com/MarquezProject/marquez-java/master/LICENSE)
+[![license](https://img.shields.io/badge/license-Apache_2.0-blue.svg)](https://raw.githubusercontent.com/MarquezProject/marquez-java/main/LICENSE)
 [![Known Vulnerabilities](https://snyk.io/test/github/MarquezProject/marquez-java/badge.svg)](https://snyk.io/test/github/MarquezProject/marquez-java)
 
 Java client for [Marquez](https://github.com/MarquezProject/marquez).
@@ -54,4 +54,4 @@ Namespace namespace = client.createNamespace("my-namespace", meta);
 
 ## Contributing
 
-See [CONTRIBUTING.md](https://github.com/MarquezProject/marquez-java/blob/master/CONTRIBUTING.md) for more details about how to contribute.
+See [CONTRIBUTING.md](https://github.com/MarquezProject/marquez-java/blob/main/CONTRIBUTING.md) for more details about how to contribute.

codecov.yml

@@ -0,0 +1,2 @@
+codecov:
+  branch: main