Add initial project files

apps/admin/src/vite-env.d.ts

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