1017960: Added path for performance metrics in toc file

Author: RahulSF4846

Document-Processing-toc.html

@@ -5407,6 +5407,7 @@
 							<li><a href="/document-processing/excel/spreadsheet/angular/styles">Styles and Appearance</a></li>
 							<li><a href="/document-processing/excel/spreadsheet/angular/print">Print</a></li>
 							<li><a href="/document-processing/excel/spreadsheet/angular/performance-best-practices">Performance Best Practices</a></li>
+							<li><a href="/document-processing/excel/spreadsheet/angular/performance-metrics">Performance Metrics</a></li>
 							<li><a href="/document-processing/excel/spreadsheet/angular/global-local">Globalization</a></li>
 							<li><a href="/document-processing/excel/spreadsheet/angular/accessibility">Accessibility</a></li>
 							<li><a href="/document-processing/excel/spreadsheet/angular/keyboard-shortcuts">Keyboard Shortcuts</a></li>