Add service orchestration and web UI

internal/service/templates/templates.go

@@ -0,0 +1,43 @@
+package templates
+
+import (
+	"embed"
+	"fmt"
+	"html/template"
+	"io/fs"
+	"strings"
+)
+
+//go:embed static/*
+var static embed.FS
+
+const fileType = ".gohtml"
+
+// Parse walks the embedded static directory and parses all .gohtml templates.
+func Parse() (*template.Template, error) {
+	tmpl := template.New("")
+
+	parseFS := func(path string, d fs.DirEntry, err error) error {
+		if err != nil {
+			return err
+		}
+		if d.IsDir() {
+			return nil
+		}
+		if strings.Contains(path, fileType) {
+			if _, err := tmpl.ParseFS(static, path); err != nil {
+				return fmt.Errorf(
+					"failed to parse template %s: %w",
+					path, err,
+				)
+			}
+		}
+		return nil
+	}
+
+	if err := fs.WalkDir(static, ".", parseFS); err != nil {
+		return nil, fmt.Errorf("failed to parse templates: %w", err)
+	}
+
+	return tmpl, nil
+}