feat: add Supabase-backed local lead finder app

src/vite-env.d.ts

@@ -0,0 +1,11 @@
+/// <reference types="vite/client" />
+
+interface ImportMetaEnv {
+  readonly VITE_SUPABASE_URL: string;
+  readonly VITE_SUPABASE_ANON_KEY: string;
+  readonly VITE_GOOGLE_MAPS_PLATFORM_KEY: string;
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv;
+}