Merge pull request magento-commerce/devdocs#2626 from magento-devdocs/DOC-516-swat-agent

Add new Tools section and SWAT Agent docs

Author: jeff-matthews

src/_data/toc/tools.yml

@@ -1,5 +1,7 @@
+---
 label: Tools
 pages:
+
   - label: Quality Patches Tool
     url: /quality-patches/tool.html
     versionless: true
@@ -12,3 +14,8 @@ pages:
       - label: Release notes
         url: /quality-patches/release-notes.html
         versionless: true
+ 
+  - label: Site Wide Analysis Tool
+    url: /tools/site-wide-analysis.html
+    versionless: true
+    edition: ee-only