[Swift Export] KT-63516

Add a sir-compiler-bridge module that adds Kotlin and C bridges
for SIR. As SIR is still WIP, the module accepts `BridgeRequest`
instances instead of SIR elements.

native/swift/sir-compiler-bridge/testData/smoke0/expected.kt

@@ -0,0 +1,7 @@
+import kotlin.native.internal.ExportForCppRuntime
+
+@ExportForCppRuntime("a_b_foo_bridge")
+public fun a_b_foo_bridge(param1: Int, param2: Long): Int {
+    val result = a.b.foo(param1, param2)
+    return result
+}