use go:embed for static resources (#1107)

* feat: use go:embed to embed static files

* ci: fix broken test

* docs: update readme.md

* chore: remove statik

* feat: simplify code

Co-authored-by: AaronLiu <abslant@126.com>

pkg/util/path.go

@@ -56,3 +56,4 @@ func RelativePath(name string) string {
 	e, _ := os.Executable()
 	return filepath.Join(filepath.Dir(e), name)
 }
+