Remove Azure diagnostic logs and deployment artifacts from source control

- Removed dashboard-logs/ and dashboard-logs-latest/ directories (100+ log files)
- Removed all .zip files (dashboard-logs.zip, dashboard-deploy.zip, etc.)
- Azure Kudu deployment logs and trace files should never be in git
- Updated .gitignore to prevent future commits of:
  - All *-logs/ directories
  - All *.zip files
  - Azure diagnostic and deployment artifacts

These are temporary troubleshooting files that bloat the repository

Author: davebirr

.gitignore

@@ -55,6 +55,16 @@ bld/
 [Ll]og/
 [Ll]ogs/
 
+# Azure diagnostic logs and deployment artifacts
+dashboard-logs/
+dashboard-logs-*/
+dash-logs/
+temp-logs/
+*-logs/
+
+# Zip archives
+*.zip
+
 # NuGet Packages
 *.nupkg
 # NuGet Symbol Packages