refactor: move document head includes out of via configuration into their own append funcs; update examples

configuration.go

@@ -1,7 +1,5 @@
 package via
 
-import "github.com/go-via/via/h"
-
 type LogLevel int
 
 const (
@@ -22,15 +20,6 @@ type Options struct {
 	// The title of the HTML document.
 	DocumentTitle string
 
-	// Elements to include in the head of the base HTML document.
-	// Useful for including css stylesheets and JS scripts.
-	DocumentHeadIncludes []h.H
-
-	// Elements to include in the bottom of the body of the base
-	// HTML document.Useful for including JS scripts or a footer.
-	DocumentBodyIncludes []h.H
-
 	// Plugins to extend the capabilities of the `Via` application.
-	// Check `https://github.com/go-via/plugins` for a list of available plugins.
 	Plugins []Plugin
 }