Render roadmaps on homepage

lib/roadmap.ts

@@ -0,0 +1,41 @@
+import { NextApiRequest } from 'next';
+import roadmaps from '../content/roadmaps.json';
+
+export type RoadmapType = {
+  seo: {
+    title: string;
+    description: string;
+    keywords: string[]
+  },
+  title: string,
+  description: string,
+  featuredTitle: string;
+  featuredDescription: string,
+  author: {
+    name: string,
+    url: string
+  },
+  featured: boolean,
+  imagePath?: string,
+  contentPath?: string;
+  resourcesPath: string;
+  isCommunity: boolean;
+  url: string;
+};
+
+export function getRequestedRoadmap(req: NextApiRequest): RoadmapType | undefined {
+  // remove trailing slashes
+  const normalizedUrl = req.url?.replace(/\/$/, '') || '';
+
+  return (roadmaps as RoadmapType[]).find(roadmap => normalizedUrl.startsWith(roadmap.url));
+}
+
+export function getAllRoadmaps(): RoadmapType[] {
+  return (roadmaps as RoadmapType[]);
+}
+
+export function getFeaturedRoadmaps(): RoadmapType[] {
+  const roadmaps: RoadmapType[] = getAllRoadmaps();
+
+  return roadmaps.filter(roadmap => roadmap.featured);
+}