feat: add native fnOS PostgreSQL shared service

frontend/vite.postgres.config.ts

@@ -0,0 +1,15 @@
+import { defineConfig } from "vite";
+import vue from "@vitejs/plugin-vue";
+import { resolve } from "node:path";
+import { fileURLToPath, URL } from "node:url";
+
+const root = fileURLToPath(new URL("./postgres-admin", import.meta.url));
+
+export default defineConfig({
+  root,
+  plugins: [vue()],
+  build: {
+    outDir: resolve(root, "../dist-postgres"),
+    emptyOutDir: true
+  }
+});