examples: V orm still fast? (#15330)

examples/js_dom_draw_bechmark_chart/README.md

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+# To run app
+Dockerfile
+[docker build]=> Docker image
+[docker run]=> Docker container
+
+`sudo docker build -t <name> .`
+
+`sudo docker run --name <container name> --interactive --tty --publish 3001:3001 <name>`
+
+`v run .`
+
+A message like `[Vweb] Running app on http://localhost:3001/` should appear
+
+`exit`
+
+# To implement new bechmarks
+
+create a function to bench in main.v like `fn any_function() []int {}`
+that must factory return the array of time spended.
+So set the attribute in canvas (with id "canvas_insert_id")  
+In draw.js.v put the attribute name inside of attribute_names array
+
+
+# ROADMAP
+02/09/2022
+- [ ] select bench (easy)
+- [ ] vsql (easy)