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

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

app/api/content/page/route.ts

@@ -0,0 +1,18 @@
+import { NextRequest, NextResponse } from "next/server";
+import { getContentByKey } from "@/lib/content";
+
+export async function GET(request: NextRequest) {
+  const { searchParams } = new URL(request.url);
+  const key = searchParams.get("key");
+  const locale = searchParams.get("locale") || "en";
+
+  if (!key) {
+    return NextResponse.json({ error: "key is required" }, { status: 400 });
+  }
+
+  const translation = await getContentByKey({ key, locale });
+  if (!translation) return NextResponse.json({ content: null });
+
+  return NextResponse.json({ content: translation });
+}
+