docs: add badge (googleapis#30)

grant · web-flow · commit cac11fab73a5 · 2020-11-09T13:21:14.000-06:00
diff --git a/README.md b/README.md
@@ -1,5 +1,7 @@
 # Google CloudEvents – Java
 
+[![Maven Central](https://img.shields.io/maven-central/v/com.google.cloud/google-cloudevent-types.svg)](https://search.maven.org/artifact/com.google.cloud/google-cloudevent-types)
+
 This repository contains POJOs for CloudEvents issued by Google.
 
 ## Prerequisites
@@ -58,4 +60,4 @@ public class EventController {
     // Use message data
   }
 }
-```
+```

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,7 @@`
`1`	`1`	`# Google CloudEvents – Java`
`2`	`2`
	`3`	`+[![Maven Central](https://img.shields.io/maven-central/v/com.google.cloud/google-cloudevent-types.svg)](https://search.maven.org/artifact/com.google.cloud/google-cloudevent-types)`
	`4`	`+`
`3`	`5`	`This repository contains POJOs for CloudEvents issued by Google.`
`4`	`6`
`5`	`7`	`## Prerequisites`
`@@ -58,4 +60,4 @@ public class EventController {`
`58`	`60`	`// Use message data`
`59`	`61`	`}`
`60`	`62`	`}`
`61`		-```
	`63`	+```