move packages to src

src/assets/assetsfs.go

@@ -0,0 +1,15 @@
+// +build release
+
+package assets
+
+import "embed"
+
+//go:embed *.html
+//go:embed graphicarts
+//go:embed javascripts
+//go:embed stylesheets
+var embedded embed.FS
+
+func init() {
+	FS.embedded = &embedded			
+}