feat: add gulp support

.gitignore

@@ -0,0 +1,4 @@
+.sass-cache/
+node_modules/
+dist/
+package-lock.json

gulpfile.js

@@ -0,0 +1,33 @@
+const { src, dest, parallel } = require('gulp');
+const include = require('gulp-include');
+const sass = require('gulp-sass');
+const cleanCSS = require('gulp-clean-css');
+
+sass.compiler = require('node-sass');
+
+function html() {
+  return src('static/*.html')
+    .pipe(dest('dist'))
+}
+
+function css() {
+  return src('scss/style.scss')
+    .pipe(sass().on('error', sass.logError))
+    .pipe(dest('dist'))
+}
+
+function dep() {
+  return src(['dep/**/*'])
+    .pipe(dest('dist/dep'));
+}
+
+function assets() {
+  return src(['assets/**/*'])
+    .pipe(dest('dist'));
+}
+
+exports.html = html;
+exports.css  = css;
+exports.dep  = dep;
+exports.assets  = assets;
+exports.default = parallel(html, css, dep, assets);