vweb: fix serving static files

examples/vweb/vweb_assets/main.v

@@ -0,0 +1,53 @@
+module main
+
+import (
+	vweb
+	vweb.assets
+	time
+)
+
+const (
+	port = 8081
+)
+
+pub struct App {
+mut:
+	vweb vweb.Context
+}
+
+fn main() {
+	vweb.run<App>(port)
+}
+
+pub fn (app mut App) init() {
+	// Arbitary mime type.
+	app.vweb.serve_static('/favicon.ico', 'favicon.ico', 'img/x-icon')
+	// Automatically make available known static mime types found in given directory.
+	app.vweb.handle_static('assets')
+	// This would make available all known static mime types from current
+	// directory and below.
+	//app.vweb.handle_static('.')
+}
+
+pub fn (app mut App) reset() {}
+
+fn (app mut App) index() {
+	// We can dynamically specify which assets are to be used in template.
+	mut am := assets.new_manager()
+	am.add_css('assets/index.css')
+
+	css := am.include_css(false)
+	title := 'VWeb Assets Example'
+	subtitle := 'VWeb can serve static assets too!'
+	message := 'It also has an Assets Manager that allows dynamically specifying which CSS and JS files to be used.'
+
+	$vweb.html()
+}
+
+fn (app mut App) text() {
+	app.vweb.text('Hello, world from vweb!')
+}
+
+fn (app mut App) time() {
+	app.vweb.text(time.now().format())
+}