Add plugin.xml template and generation

build.sbt

@@ -10,5 +10,16 @@ lazy val root = (project in file(".")).
       version      := appVersion
     )),
     name := "mlflow-gocd",
-    libraryDependencies ++= Seq(goPluginLibrary, gson, apacheCommons, httpClient, scalaTest)
+    libraryDependencies ++= Seq(goPluginLibrary, gson, apacheCommons, httpClient, scalaTest),
+    resourceGenerators in Compile += Def.task {
+      val inputFile = baseDirectory.value / "template" / "plugin.xml"
+      val outputFile = (resourceManaged in Compile).value / "plugin.xml"
+      val contents = IO.read(inputFile)
+      IO.write(outputFile, contents.replaceAll("\\$\\{version\\}", appVersion))
+      Seq(outputFile)
+    }.taskValue,
+    mappings in (Compile, packageBin) += {
+     (resourceManaged in Compile).value / "plugin.xml" -> "plugin.xml"
+    },
+    javacOptions ++= Seq("-source", "1.8", "-target", "1.8")
   )

template/plugin.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8" ?>
+<go-plugin id="mlflow-gocd" version="1">
+    <about>
+        <name>MLFlow Package Plugin</name>
+        <version>${version}</version>
+        <target-go-version>17.2.0</target-go-version>
+        <description>MLFlow as package source for GoCD</description>
+        <vendor>
+            <name>Indix</name>
+            <url>http://www.indix.com</url>
+        </vendor>
+        <target-os>
+            <value>Linux</value>
+            <value>Mac OS X</value>
+            <value>Windows</value>
+        </target-os>
+    </about>
+</go-plugin>