Gson APNs payload builder for Pushy

<!-- https://jarcasting.com/artifacts/com.eatthepath/pushy-gson-payload-builder/ -->
<dependency>
    <groupId>com.eatthepath</groupId>
    <artifactId>pushy-gson-payload-builder</artifactId>
    <version>0.15.1</version>
</dependency>

// https://jarcasting.com/artifacts/com.eatthepath/pushy-gson-payload-builder/
implementation 'com.eatthepath:pushy-gson-payload-builder:0.15.1'

// https://jarcasting.com/artifacts/com.eatthepath/pushy-gson-payload-builder/
implementation ("com.eatthepath:pushy-gson-payload-builder:0.15.1")

'com.eatthepath:pushy-gson-payload-builder:jar:0.15.1'

<dependency org="com.eatthepath" name="pushy-gson-payload-builder" rev="0.15.1">
  <artifact name="pushy-gson-payload-builder" type="jar" />
</dependency>

@Grapes(
@Grab(group='com.eatthepath', module='pushy-gson-payload-builder', version='0.15.1')
)

libraryDependencies += "com.eatthepath" % "pushy-gson-payload-builder" % "0.15.1"

[com.eatthepath/pushy-gson-payload-builder "0.15.1"]