Add convention script for manifold

convention/src/main/kotlin/jf.manifold.gradle.kts

@@ -0,0 +1,22 @@
+plugins {
+    `java-library`
+}
+
+val manifoldVersion by extra("2022.1.27")
+
+dependencies {
+    implementation("systems.manifold:manifold-props-rt:$manifoldVersion")
+
+    testAnnotationProcessor(annotationProcessor("systems.manifold:manifold-ext:$manifoldVersion")!!)
+    testAnnotationProcessor(annotationProcessor("systems.manifold:manifold-props:$manifoldVersion")!!)
+}
+
+if (sourceSets.main.get().allJava.files.any {it.name == "module-info.java"}) {
+    tasks.withType<JavaCompile> {
+        options.compilerArgs.addAll(arrayOf("-Xplugin:Manifold no-bootstrap", "--module-path", classpath.asPath))
+    }
+} else {
+    tasks.withType<JavaCompile> {
+        options.compilerArgs.addAll(arrayOf("-Xplugin:Manifold no-bootstrap"))
+    }
+}