Add a module for the Matrix SDK with the aar of the Rust SDK

app/src/main/java/io/element/android/x/ElementXApplication.kt

@@ -0,0 +1,12 @@
+package io.element.android.x
+
+import android.app.Application
+import io.element.android.x.sdk.matrix.MatrixInstance
+
+class ElementXApplication : Application() {
+
+    override fun onCreate() {
+        super.onCreate()
+        MatrixInstance.init(this)
+    }
+}