tools: format most examples and tutorials, add them to v test-cleancode (#9826)

examples/vweb/file_upload/vweb_example.v

@@ -18,15 +18,14 @@ pub fn (mut app App) index() vweb.Result {
 	return $vweb.html()
 }
 
-[post]
-['/upload']
+['/upload'; post]
 pub fn (mut app App) upload() vweb.Result {
 	fdata := app.files['upfile']
 
 	mut files := []vweb.RawHtml{}
 
 	for d in fdata {
-		files << d.data.replace_each(['\n', '<br>', '\n\r', '<br>' '\t', '	', ' ', '&nbsp;'])
+		files << d.data.replace_each(['\n', '<br>', '\n\r', '<br>', '\t', '	', ' ', '&nbsp;'])
 	}
 
 	return $vweb.html()

examples/vweb/vweb_assets/vweb_assets.v

@@ -1,7 +1,7 @@
 module main
 
 import vweb
-//import vweb.assets
+// import vweb.assets
 import time
 
 const (