Add stdin support to the Gradle :run tasks

This is required for the compress and crc32 tasks to be useful.

Signed-off-by: Graham <gpe@openrs2.dev>

build.gradle.kts

@@ -33,6 +33,7 @@ allprojects {
 
     plugins.withType<ApplicationPlugin> {
         tasks.named<JavaExec>("run") {
+            standardInput = System.`in`
             workingDir = rootProject.projectDir
         }
     }