init gradle

app/src/main/java/com/clean/scanner/MainActivity.kt

@@ -0,0 +1,22 @@
+package com.clean.scanner
+
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.Surface
+import com.clean.scanner.ui.CleanScannerAppRoot
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        val container = (application as CleanScannerApp).appContainer
+        setContent {
+            MaterialTheme {
+                Surface(color = MaterialTheme.colorScheme.background) {
+                    CleanScannerAppRoot(container)
+                }
+            }
+        }
+    }
+}