Refactor for i18n, CMS integration, and project slugs; enhance admin & analytics

Co-authored-by: dennis <dennis@konkol.net>

prisma/seed.ts

@@ -1,4 +1,5 @@
 import { PrismaClient } from "@prisma/client";
+import { slugify } from "../lib/slug";
 
 const prisma = new PrismaClient();
 
@@ -947,10 +948,21 @@ Visit any non-existent page on the site to see the terminal in action. Or click
     },
   ];
 
+  const usedSlugs = new Set<string>();
   for (const project of projects) {
+    const baseSlug = slugify(project.title);
+    let slug = baseSlug;
+    let counter = 2;
+    while (usedSlugs.has(slug) || !slug) {
+      slug = `${baseSlug || "project"}-${counter++}`;
+    }
+    usedSlugs.add(slug);
+
     await prisma.project.create({
       data: {
         ...project,
+        slug,
+        defaultLocale: "en",
         difficulty: project.difficulty as
           | "BEGINNER"
           | "INTERMEDIATE"