Add Bukkit api-version, closes #3

README.md

@@ -36,6 +36,9 @@ bukkit {
     // Plugin main class (required)
     main = 'com.example.testplugin.TestPlugin'
     
+    // API version (should be set for 1.13+)
+    apiVersion = '1.13'
+    
     // Other possible properties from plugin.yml (optional)
     load = 'STARTUP' // or 'POSTWORLD' 
     authors = ['Notch', 'Notch2']
@@ -86,6 +89,9 @@ bukkit {
     // Plugin main class (required)
     main = "com.example.testplugin.TestPlugin"
     
+    // API version (should be set for 1.13+)
+    apiVersion = "1.13"
+    
     // Other possible properties from plugin.yml (optional)
     load = BukkitPluginDescription.PluginLoadOrder.STARTUP // or POSTWORLD 
     authors = listOf("Notch", "Notch2")

src/main/kotlin/net/minecrell/pluginyml/bukkit/BukkitPluginDescription.kt

@@ -31,6 +31,7 @@ import java.io.Serializable
 
 class BukkitPluginDescription(project: Project) : Serializable {
 
+    @JsonProperty("api-version") var apiVersion: String? = null
     var name: String? = null
     var version: String? = null
     var main: String? = null