[turbolizer] Add comment about deployment

Notry: true
Change-Id: I06cbd9a2a49f602dafd43e2d3b4e386d65c7da23
Bug: v8:7327
Reviewed-on: https://chromium-review.googlesource.com/c/1348070Reviewed-by: Daniel Clifford <danno@chromium.org>
Commit-Queue: Sigurd Schneider <sigurds@chromium.org>
Cr-Commit-Position: refs/heads/master@{#57737}

tools/turbolizer/README.md

@@ -10,15 +10,20 @@ the '--trace-turbo' command-line flag.
 
 Turbolizer is build using npm:
 
+    cd tools/turbolizer
     npm i
     npm run-script build
 
 Afterwards, turbolizer can be hosted locally by starting a web server that serve
 the contents of the turbolizer directory, e.g.:
 
-    cd src/tools/turbolizer
     python -m SimpleHTTPServer 8000
 
+To deploy to a directory that can be hosted the script `deploy` can be used. The
+following command will deploy to the directory /www/turbolizer:
+
+    npm run deploy -- /www/turbolizer
+
 Optionally, profiling data generated by the perf tools in linux can be merged
 with the .json files using the turbolizer-perf.py file included. The following
 command is an example of using the perf script: