feat: initialize project with Docker, PostgreSQL, Redis, and Vue.js frontend

- Added docker-compose.yml for PostgreSQL and Redis services with health checks.
- Created frontend directory with initial Vue.js setup including package.json, vite.config.ts, and TypeScript configuration.
- Implemented main application structure with App.vue and HomePage.vue components.
- Added message fetching and posting functionality in HomePage.vue.
- Included necessary styles and scripts for Ionic framework integration.
- Developed a dev-stack script to manage Docker containers and run backend/frontend servers.

backend/prisma/migrations/20260529094703_init/migration.sql

@@ -0,0 +1,13 @@
+-- CreateTable
+CREATE TABLE "messages" (
+    "id" TEXT NOT NULL,
+    "content" VARCHAR(267) NOT NULL,
+    "authorIp" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "parentId" TEXT,
+
+    CONSTRAINT "messages_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "messages" ADD CONSTRAINT "messages_parentId_fkey" FOREIGN KEY ("parentId") REFERENCES "messages"("id") ON DELETE SET NULL ON UPDATE CASCADE;

backend/prisma/migrations/migration_lock.toml

@@ -0,0 +1,3 @@
+# Please do not edit this file manually
+# It should be added in your version-control system (i.e. Git)
+provider = "postgresql"

backend/prisma/schema.prisma

@@ -0,0 +1,24 @@
+// This is your Prisma schema file
+// Learn more: https://pris.ly/d/prisma-schema
+
+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model Message {
+  id        String    @id @default(uuid())
+  content   String    @db.VarChar(267)
+  authorIp  String
+  createdAt DateTime  @default(now())
+  parentId  String?
+
+  parent  Message?  @relation("ThreadReplies", fields: [parentId], references: [id])
+  replies Message[] @relation("ThreadReplies")
+
+  @@map("messages")
+}

backend/prisma/seed.ts

@@ -0,0 +1,39 @@
+import { PrismaClient } from "@prisma/client";
+
+const prisma = new PrismaClient();
+
+async function main() {
+  const count = await prisma.message.count();
+  if (count > 0) {
+    console.log("⏭️  Database already seeded, skipping.");
+    return;
+  }
+
+  const root1 = await prisma.message.create({
+    data: {
+      content: "Bienvenue sur XIP — le réseau social sans filtre ni compte.",
+      authorIp: "1.2.3.4",
+    },
+  });
+
+  await prisma.message.create({
+    data: {
+      content: "Pas de compte, ton IP c'est toi.",
+      authorIp: "5.6.7.8",
+    },
+  });
+
+  await prisma.message.create({
+    data: {
+      content: "Réponse au premier message !",
+      authorIp: "9.10.11.12",
+      parentId: root1.id,
+    },
+  });
+
+  console.log("✅  Database seeded with 3 messages.");
+}
+
+main()
+  .catch(console.error)
+  .finally(() => prisma.$disconnect());