chore: initial project scaffold

Sets up monorepo with Wails desktop shell, Go backend, React/TS frontend, and Kotlin Android SDK skeleton.

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

scripts/dev.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+set -e
+
+ROOT="$(cd "$(dirname "$0")/.." && pwd)"
+
+echo "[DroidScope] Starting dev environment..."
+
+cd "$ROOT/frontend-react"
+npm run dev &
+FRONTEND_PID=$!
+
+cd "$ROOT/desktop"
+export PATH="$PATH:$(go env GOPATH)/bin"
+wails dev &
+WAILS_PID=$!
+
+echo "[DroidScope] Frontend PID: $FRONTEND_PID"
+echo "[DroidScope] Wails PID:    $WAILS_PID"
+
+trap "kill $FRONTEND_PID $WAILS_PID 2>/dev/null; exit 0" INT TERM
+wait