Update links

Author: Chaganti-Reddy

index.html

@@ -70,15 +70,15 @@
     <h1>graph-rs</h1>
     <p class="subtitle">A complete graph algorithm library built from scratch in Rust &mdash; 40+ algorithms across 8 crates, zero third-party graph dependencies.</p>
     <div class="cta">
-      <a class="btn-primary" href="graph/index.html">
+      <a class="btn-primary" href="graph/index.html" target="_blank">
         <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><rect x="2" y="2" width="5" height="6" rx="1"/><rect x="9" y="2" width="5" height="3" rx="1"/><rect x="2" y="10" width="12" height="1.2" rx="0.6"/><rect x="2" y="12.8" width="8" height="1.2" rx="0.6"/></svg>
         API docs
       </a>
-      <a class="btn-secondary" href="bench/report/index.html">
+      <a class="btn-secondary" href="bench/report/index.html" target="_blank">
         <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><rect x="2" y="8" width="2" height="4" rx="0.5"/><rect x="6" y="5" width="2" height="7" rx="0.5"/><rect x="10" y="3" width="2" height="9" rx="0.5"/></svg>
         Benchmark report
       </a>
-      <a class="btn-secondary" href="https://github.com/Chaganti-Reddy/graph-rs">
+      <a class="btn-secondary" href="https://github.com/Chaganti-Reddy/graph-rs" target="_blank">
         <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M8 0C3.58 0 0 3.58 0 8c0 3.54 2.29 6.53 5.47 7.59.4.07.55-.17.55-.38 0-.19-.01-.82-.01-1.49-2.01.37-2.53-.49-2.69-.94-.09-.23-.48-.94-.82-1.13-.28-.15-.68-.52-.01-.53.63-.01 1.08.58 1.23.82.72 1.21 1.87.87 2.33.66.07-.52.28-.87.51-1.07-1.78-.2-3.64-.89-3.64-3.95 0-.87.31-1.59.82-2.15-.08-.2-.36-1.02.08-2.12 0 0 .67-.21 2.2.82.64-.18 1.32-.27 2-.27.68 0 1.36.09 2 .27 1.53-1.04 2.2-.82 2.2-.82.44 1.1.16 1.92.08 2.12.51.56.82 1.27.82 2.15 0 3.07-1.87 3.75-3.65 3.95.29.25.54.73.54 1.48 0 1.07-.01 1.93-.01 2.2 0 .21.15.46.55.38A8.013 8.013 0 0 0 16 8c0-4.42-3.58-8-8-8z"/></svg>
         GitHub ↗
       </a>
@@ -92,14 +92,14 @@ <h1>graph-rs</h1>
   </div>
 
   <div class="cards">
-    <a class="card" href="graph/index.html">
+    <a class="card" href="graph/index.html" target="_blank">
       <div class="card-icon icon-docs">
         <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><path d="M3 2h7.5L13 5v9H3V2zm7 0v3h3"/></svg>
       </div>
       <div class="card-title">API documentation</div>
       <div class="card-desc">Full rustdoc for all 8 crates — traits, structs, every public function with examples.</div>
     </a>
-    <a class="card" href="bench/report/index.html">
+    <a class="card" href="bench/report/index.html" target="_blank">
       <div class="card-icon icon-bench">
         <svg width="14" height="14" viewBox="0 0 16 16" fill="currentColor"><rect x="2" y="8" width="2" height="4" rx="0.5"/><rect x="6" y="5" width="2" height="7" rx="0.5"/><rect x="10" y="3" width="2" height="9" rx="0.5"/></svg>
       </div>