feat(docs): add Graph Storyteller - autonomous narrative analysis tool

Adds an interactive tool that analyzes graph structure and generates
engaging natural-language narratives. Features:
- 8 graph presets (Karate Club, Star, Ring, K6, Tree, Petersen, Grid, Random)
- Adjacency list input with edge parsing
- Force-directed Canvas visualization with node highlighting
- Multi-section narrative: Overview, Characters, Neighborhoods, Architecture, Vulnerabilities, Forecast, Verdict
- Algorithms: degree analysis, BFS components, diameter, clustering coefficient, bipartiteness, bridges (Tarjan), articulation points, label propagation communities
- Typing animation effect with speed control
- Copy/download export
- Interactive node pills that highlight in the graph on hover

Usage: Open docs/storyteller.html, load a preset or paste edges, click Tell the Story.

Author: sauravbhattacharya001

docs/index.html

@@ -44,7 +44,13 @@ <h2>GraphVisual</h2>
         <a href="bridges.html" class="sidebar-link"><span class="icon">🌉</span>Bridges &amp; APs</a>
         <a href="planarity.html" class="sidebar-link"><span class="icon">📐</span>Planarity</a>
         <a href="crossing-game.html" class="sidebar-link"><span class="icon">🔀</span>Crossing Game</a>
-        <a href="hamiltonian.html" class="sidebar-link"><span class="icon">🔁</span>Hamiltonian</a>
+        <a href="anomaly.html" class="sidebar-link"><span class="icon">🚨</span>Anomaly Detector</a>
+        <a href="dominating-set.html" class="sidebar-link"><span class="icon">👑</span>Dominating Set</a>
+        <a href="vertex-cover.html" class="sidebar-link"><span class="icon">🛡️</span>Vertex Cover</a>
+        <a href="matching.html" class="sidebar-link"><span class="icon">💍</span>Max Matching</a>
+        <a href="graph-advisor.html" class="sidebar-link"><span class="icon">🧠</span>Graph Advisor</a>
+        <a href="graph-evolution.html" class="sidebar-link"><span class="icon">🧬</span>Evolution Sim</a>
+        <a href="storyteller.html" class="sidebar-link"><span class="icon">📖</span>Graph Storyteller</a>
     </div>
     <div class="sidebar-section">
         <div class="sidebar-section-title">Architecture</div>