feat: setup monorepo infra — Go API + Vue 3 + PostgreSQL + Dockerfile Dokploy

Monorepo com apps/api (Go 1.23 + chi + pgx) e apps/web (Vue 3 + Vite + TypeScript).
Dockerfile multi-stage consolida tudo em imagem única (~25MB) para deploy no Dokploy.
Migrations rodando na inicialização; Vue embedado no binário Go via //go:embed.

Co-Authored-By: Claude Sonnet 4.6 <[email protected]>

apps/web/src/App.vue

@@ -0,0 +1,3 @@
+<template>
+  <RouterView />
+</template>

apps/web/src/main.ts

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+import { createApp } from 'vue'
+import { createPinia } from 'pinia'
+
+import App from './App.vue'
+import router from './router'
+
+const app = createApp(App)
+app.use(createPinia())
+app.use(router)
+app.mount('#app')

apps/web/src/router/index.ts

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+import { createRouter, createWebHistory } from 'vue-router'
+import HomeView from '../views/HomeView.vue'
+
+const router = createRouter({
+  history: createWebHistory(import.meta.env.BASE_URL),
+  routes: [
+    {
+      path: '/',
+      name: 'home',
+      component: HomeView,
+    },
+  ],
+})
+
+export default router

apps/web/src/views/HomeView.vue

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+<template>
+  <main style="font-family: sans-serif; padding: 2rem; text-align: center">
+    <h1>Financeiro Carvalho</h1>
+    <p>Sistema de controle financeiro pessoal</p>
+  </main>
+</template>