Add Influence Maximizer - autonomous seed selection for maximum information spread

Interactive tool with Independent Cascade (IC) and Linear Threshold (LT) diffusion
models. Features 4 seed selection strategies (Greedy, Degree, PageRank, Betweenness),
8 graph presets (Karate Club, Scale-Free, Small World, etc.), animated spread
visualization, and autonomous advisor that analyzes network topology to recommend
the optimal strategy with proactive insights.

Usage: Open docs/influence-maximizer.html, load a preset, click Find Optimal Seeds
or Auto-Advise for autonomous strategy recommendation.

Author: sauravbhattacharya001

docs/index.html

@@ -55,6 +55,7 @@ <h2>GraphVisual</h2>
         <a href="graph-evolution.html" class="sidebar-link"><span class="icon">🧬</span>Evolution Sim</a>
         <a href="symmetry.html" class="sidebar-link"><span class="icon">🔮</span>Symmetry Explorer</a>
         <a href="link-predictor.html" class="sidebar-link"><span class="icon">🔮</span>Link Predictor</a>
+        <a href="influence-maximizer.html" class="sidebar-link"><span class="icon">📢</span>Influence Max</a>
     </div>
     <div class="sidebar-section">
         <div class="sidebar-section-title">Architecture</div>