Add license badge.

micaeljtoliveira · micaeljtoliveira · commit 5b27819acf32 · 2023-05-18T09:56:44.000+10:00
diff --git a/README.md b/README.md
@@ -1,3 +1,4 @@
+[![License: MPL 2.0](https://img.shields.io/badge/License-MPL_2.0-brightgreen.svg)](https://opensource.org/licenses/MPL-2.0)
 [![compilation](https://github.com/COSIMA/domain-tools/actions/workflows/compilation.yml/badge.svg)](https://github.com/COSIMA/domain-tools/actions/workflows/compilation.yml)
 
 # Domain Tools

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,4 @@`
	`1`	`+[![License: MPL 2.0](https://img.shields.io/badge/License-MPL_2.0-brightgreen.svg)](https://opensource.org/licenses/MPL-2.0)`
`1`	`2`	`[![compilation](https://github.com/COSIMA/domain-tools/actions/workflows/compilation.yml/badge.svg)](https://github.com/COSIMA/domain-tools/actions/workflows/compilation.yml)`
`2`	`3`
`3`	`4`	`# Domain Tools`