Fix styling "good first issue"-badge

Author: Abderahman88

readme.md

@@ -8,7 +8,7 @@
 
 <p align="center">
   <a href="https://www.npmjs.com/package/@microsoft/mgt"><img src="https://img.shields.io/npm/v/@microsoft/mgt.svg"></a> <a href="https://github.com/microsoftgraph/msgraph-sdk-javascript"><img src="https://img.shields.io/badge/code_style-prettier-ff69b4.svg"></a> <a href="https://stackoverflow.com/questions/tagged/microsoft-graph-toolkit"><img src="https://img.shields.io/stackexchange/stackoverflow/t/microsoft-graph-toolkit.svg"></a>
-  <a href="https://dev.azure.com/microsoft-graph-toolkit/microsoft-graph-toolkit/_build/latest?definitionId=1&branchName=main"><br><img src="https://dev.azure.com/microsoft-graph-toolkit/microsoft-graph-toolkit/_apis/build/status/microsoftgraph.microsoft-graph-toolkit?branchName=main"></a> <a href="https://www.webcomponents.org/element/@microsoft/mgt"><img src="https://img.shields.io/badge/webcomponents.org-published-blue.svg"></a> <a href="https://mgt.dev"><img src="https://cdn.jsdelivr.net/gh/storybookjs/brand@master/badge/badge-storybook.svg"></a><a href="https://github.com/microsoftgraph/microsoft-graph-toolkit/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22"><img src="https://img.shields.io/github/issues/microsoftgraph/microsoft-graph-toolkit/good%20first%20issue?color=brightgreen&style=plastic"></a>
+  <a href="https://dev.azure.com/microsoft-graph-toolkit/microsoft-graph-toolkit/_build/latest?definitionId=1&branchName=main"><br><img src="https://dev.azure.com/microsoft-graph-toolkit/microsoft-graph-toolkit/_apis/build/status/microsoftgraph.microsoft-graph-toolkit?branchName=main"></a> <a href="https://www.webcomponents.org/element/@microsoft/mgt"><img src="https://img.shields.io/badge/webcomponents.org-published-blue.svg"></a> <a href="https://mgt.dev"><img src="https://cdn.jsdelivr.net/gh/storybookjs/brand@master/badge/badge-storybook.svg"></a> <a href="https://github.com/microsoftgraph/microsoft-graph-toolkit/issues?q=is%3Aissue+is%3Aopen+label%3A%22good+first+issue%22"><img src="https://img.shields.io/github/issues/microsoftgraph/microsoft-graph-toolkit/good%20first%20issue?color=brightgreen"></a>
 </p>
 
 <p align="center">