feat: render template web function

internal/web/templates.go

@@ -0,0 +1,27 @@
+package web
+
+import (
+	"fmt"
+	"html/template"
+	"net/http"
+	"path/filepath"
+)
+
+func RenderTemplate(w http.ResponseWriter, page string, data map[string]any) {
+	base, err := template.ParseGlob(filepath.Join("templates", "layout", "*.html"))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	tmpl, err := base.ParseFiles(filepath.Join("templates", "pages", fmt.Sprintf("%s.html", page)))
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	if err := tmpl.ExecuteTemplate(w, "base", data); err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+	}
+}
+