feat: add main features

Agents for developpement added + frontend add + backend added. Git viewer created + agent and template creator + layout and project creator

frontend/vitest.config.ts

@@ -0,0 +1,20 @@
+/// <reference types="vitest" />
+import { defineConfig } from "vitest/config";
+import react from "@vitejs/plugin-react";
+import { fileURLToPath, URL } from "node:url";
+
+// Vitest config for the frontend hexagonal layers (domain/ports/adapters/app).
+// jsdom is used so React-Testing-Library can render the DI provider.
+export default defineConfig({
+  plugins: [react()],
+  resolve: {
+    alias: {
+      "@": fileURLToPath(new URL("./src", import.meta.url)),
+    },
+  },
+  test: {
+    environment: "jsdom",
+    globals: true,
+    include: ["src/**/*.test.{ts,tsx}"],
+  },
+});