Initial commit: Kotlin Multiplatform project setup

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Co-Authored-By: Claude <noreply@anthropic.com>

composeApp/src/commonTest/kotlin/com/example/mycrib/ComposeAppCommonTest.kt

@@ -0,0 +1,12 @@
+package com.example.mycrib
+
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class ComposeAppCommonTest {
+
+    @Test
+    fun example() {
+        assertEquals(3, 1 + 2)
+    }
+}