Update project links and remove deprecated pages

- Changed project links for "Zero To AI Researcher," "DeepSeek Sparse Attention," "SLA Sparse-Linear Attention," and "SDLM Sequential Diffusion Language Model" to point to their new blog URLs.
- Removed the individual pages for "DeepSeek Sparse Attention," "SLA Sparse-Linear Attention," and "SDLM Sequential Diffusion Language Model" to streamline navigation and improve user experience.
- Enhanced the contribute page to reflect the updated project links.

Author: vukrosic

app/deepseek-sparse-attention/page.tsx …/blog/deepseek-sparse-attention/page.tsxapp/deepseek-sparse-attention/page.tsx renamed to app/blog/deepseek-sparse-attention/page.tsx app/deepseek-sparse-attention/page.tsx renamed to app/blog/deepseek-sparse-attention/page.tsx

@@ -4,7 +4,6 @@ import Link from "next/link";
 import { useLanguage } from "@/components/providers/language-provider";
 
 export default function BlueberryLLMPage() {
-  const { language } = useLanguage();
 
   return (
     <div className="min-h-screen bg-gradient-to-br from-slate-900 via-slate-800 to-slate-900">

…ential-diffusion-language-model/page.tsx …ential-diffusion-language-model/page.tsxapp/sdlm-sequential-diffusion-language-model/page.tsx renamed to app/blog/sdlm-sequential-diffusion-language-model/page.tsx app/sdlm-sequential-diffusion-language-model/page.tsx renamed to app/blog/sdlm-sequential-diffusion-language-model/page.tsx

@@ -111,7 +111,7 @@ export default function Contribute() {
                   }
                 </p>
                 <Link 
-                  href="/zero-to-ai-researcher"
+                  href="/blog/zero-to-ai-researcher"
                   className="text-green-400 text-sm hover:text-green-300 transition-colors"
                 >
                   {language === 'en' ? 'Learn More →' : '了解更多 →'}
@@ -137,7 +137,7 @@ export default function Contribute() {
                   }
                 </p>
                 <Link 
-                  href="/deepseek-sparse-attention"
+                  href="/blog/deepseek-sparse-attention"
                   className="text-blue-400 text-sm hover:text-blue-300 transition-colors"
                 >
                   {language === 'en' ? 'Learn More →' : '了解更多 →'}

app/sla-sparse-linear-attention/page.tsx …log/sla-sparse-linear-attention/page.tsxapp/sla-sparse-linear-attention/page.tsx renamed to app/blog/sla-sparse-linear-attention/page.tsx app/sla-sparse-linear-attention/page.tsx renamed to app/blog/sla-sparse-linear-attention/page.tsx

@@ -175,7 +175,7 @@ export default function Home() {
           <div className="grid grid-cols-1 md:grid-cols-2 gap-8 max-w-4xl mx-auto">
             {/* Road to AI Researcher Project */}
             <Link 
-              href="/zero-to-ai-researcher"
+              href="/blog/zero-to-ai-researcher"
               className="group relative bg-gradient-to-br from-slate-800/50 to-slate-700/50 backdrop-blur-sm border border-slate-600/50 rounded-xl p-6 hover:border-green-500/50 hover:shadow-2xl hover:shadow-green-500/10 transition-all duration-300"
             >
               <div className="absolute top-4 left-4">
@@ -203,7 +203,7 @@ export default function Home() {
 
             {/* DeepSeek Sparse Attention Project */}
             <Link 
-              href="/deepseek-sparse-attention"
+              href="/blog/deepseek-sparse-attention"
               className="group relative bg-gradient-to-br from-slate-800/50 to-slate-700/50 backdrop-blur-sm border border-slate-600/50 rounded-xl p-6 hover:border-blue-500/50 hover:shadow-2xl hover:shadow-blue-500/10 transition-all duration-300"
             >
               <div className="absolute top-4 left-4">
@@ -303,7 +303,7 @@ export default function Home() {
 
                 {/* SLA Sparse-Linear Attention Project */}
                 <Link 
-                  href="/sla-sparse-linear-attention"
+                  href="/blog/sla-sparse-linear-attention"
                   className="group relative bg-gradient-to-br from-slate-700/50 to-slate-600/50 backdrop-blur-sm border border-slate-500/50 rounded-lg p-4 hover:border-orange-500/50 hover:shadow-lg hover:shadow-orange-500/10 transition-all duration-300"
                 >
                   <div className="absolute top-2 left-2">
@@ -331,7 +331,7 @@ export default function Home() {
 
                 {/* SDLM Sequential Diffusion Language Model Project */}
                 <Link 
-                  href="/sdlm-sequential-diffusion-language-model"
+                  href="/blog/sdlm-sequential-diffusion-language-model"
                   className="group relative bg-gradient-to-br from-slate-700/50 to-slate-600/50 backdrop-blur-sm border border-slate-500/50 rounded-lg p-4 hover:border-purple-500/50 hover:shadow-lg hover:shadow-purple-500/10 transition-all duration-300"
                 >
                   <div className="absolute top-2 left-2">