Initial commit: G3FO recurring investment schedule frontend

Co-authored-by: Cursor <cursoragent@cursor.com>

src/env.d.ts

@@ -0,0 +1,10 @@
+/// <reference types="vite/client" />
+
+interface ImportMetaEnv {
+  readonly VITE_API_BASE_URL: string
+  readonly VITE_API_PROXY_TARGET?: string
+}
+
+interface ImportMeta {
+  readonly env: ImportMetaEnv
+}