Support Next.js template & template hub (#241)

src/shared/templates.ts

@@ -0,0 +1,38 @@
+export interface Template {
+  id: string;
+  title: string;
+  description: string;
+  imageUrl: string;
+  githubUrl?: string;
+  isOfficial: boolean;
+}
+
+export const DEFAULT_TEMPLATE_ID = "react";
+
+export const templatesData: Template[] = [
+  {
+    id: "react",
+    title: "React.js Template",
+    description: "Uses React.js, Vite, Shadcn, Tailwind and TypeScript.",
+    imageUrl:
+      "https://github.com/user-attachments/assets/5b700eab-b28c-498e-96de-8649b14c16d9",
+    isOfficial: true,
+  },
+  {
+    id: "next",
+    title: "Next.js Template",
+    description: "Uses Next.js, React.js, Shadcn, Tailwind and TypeScript.",
+    imageUrl:
+      "https://github.com/user-attachments/assets/96258e4f-abce-4910-a62a-a9dff77965f2",
+    githubUrl: "https://github.com/dyad-sh/nextjs-template",
+    isOfficial: true,
+  },
+];
+
+export function getTemplateOrThrow(templateId: string): Template {
+  const template = templatesData.find((template) => template.id === templateId);
+  if (!template) {
+    throw new Error(`Template ${templateId} not found`);
+  }
+  return template;
+}