docs: Added EasyButtons to the Acknowledgments section

SolidAlloy · SolidAlloy · commit db6aaec242f5 · 2021-09-09T09:21:13.000+03:00
diff --git a/README.md b/README.md
@@ -726,3 +726,4 @@ private static void ReportSize(float size)
 
 - Thanks to [UnityAtoms](https://github.com/unity-atoms/unity-atoms) for their icons, some of which were used in this package under the MIT license.
 - Thanks to [Daniel Everland](https://github.com/DanielEverland/ScriptableObject-Architecture). Its stack trace implementation was used as inspiration for the feature in this package.
+- The project is using madsbangh's [EasyButtons](https://github.com/madsbangh/EasyButtons) to draw buttons in scriptable event inspectors.

Original file line number	Diff line number	Diff line change
`@@ -726,3 +726,4 @@ private static void ReportSize(float size)`
`726`	`726`
`727`	`727`	`- Thanks to [UnityAtoms](https://github.com/unity-atoms/unity-atoms) for their icons, some of which were used in this package under the MIT license.`
`728`	`728`	`- Thanks to [Daniel Everland](https://github.com/DanielEverland/ScriptableObject-Architecture). Its stack trace implementation was used as inspiration for the feature in this package.`
	`729`	`+- The project is using madsbangh's [EasyButtons](https://github.com/madsbangh/EasyButtons) to draw buttons in scriptable event inspectors.`