common: unused marker for marking values as unused intentionally

common/src/main/kotlin/gay/pizza/pork/common/Globals.kt

@@ -0,0 +1,9 @@
+package gay.pizza.pork.common
+
+@Suppress("NOTHING_TO_INLINE", "UnusedReceiverParameter", "unused")
+inline fun Any?.markIsUnused() {}
+
+@Suppress("NOTHING_TO_INLINE", "unused")
+inline fun unused(value: Any?) {
+  value.markIsUnused()
+}