Initial commit: VesiscanBasic Android app

Port of MedilightV2 iOS app to Android with Kotlin + Jetpack Compose.
Includes BLE connectivity, NIRS/Piezo sensor modes, Rive animations,
interactive measurement history charts, and foldable device support.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">medilightv2android</string>
+</resources>