Add Gate Analysis report link to SPI Controller reports table

- Added Gate Analysis Report row to the Available Reports table
- Links to both HTML and Markdown versions of gate analysis report
- Provides access to detailed gate counts and transistor estimates
- SPI Controller shows: 1,659 gates, 2.0mm² die size

Author: shivarammysore

public/index_template.html

@@ -383,6 +383,14 @@ <h2>📋 Available Reports</h2>
                             <a href="./synthesis_report.html" class="btn btn-success">HTML</a>
                         </td>
                     </tr>
+                    <tr>
+                        <td><strong>Gate Analysis Report</strong></td>
+                        <td>Detailed gate-level analysis showing primitive gate counts, transistor estimates, and design complexity metrics.</td>
+                        <td>
+                            <a href="./gate_analysis_report.html" class="btn btn-success">HTML</a>
+                            <a href="./gate_analysis_report.md" class="btn btn-info">Markdown</a>
+                        </td>
+                    </tr>
                     <tr>
                         <td><strong>FPGA Implementation</strong></td>
                         <td>Open-source FPGA flow results for various FPGA families.</td>