[improvement] repo, scripts (#220)

* Fix menu, cleanup package.json

* update changelog

example/scripts/build.mjs

@@ -0,0 +1,46 @@
+/* eslint-disable */
+import fs from 'fs'
+import esbuild from 'esbuild'
+import { createRequire } from 'module'
+
+const pkg = createRequire(import.meta.url)('../package.json')
+
+async function main() {
+  if (fs.existsSync('./dist')) {
+    fs.rmSync('./dist', { recursive: true }, (e) => {
+      if (e) {
+        throw e
+      }
+    })
+  }
+
+  try {
+    esbuild.buildSync({
+      entryPoints: ['./src/index.tsx'],
+      outdir: 'dist',
+      minify: true,
+      bundle: true,
+      format: 'cjs',
+      target: 'es6',
+      jsxFactory: 'React.createElement',
+      jsxFragment: 'React.Fragment',
+      tsconfig: './tsconfig.json',
+      define: {
+        'process.env.NODE_ENV': '"production"',
+      },
+      metafile: false,
+      sourcemap: false,
+    })
+
+    fs.copyFile('./src/index.html', './dist/index.html', (err) => {
+      if (err) throw err
+    })
+
+    console.log(`✔ ${pkg.name}: Build completed.`)
+  } catch (e) {
+    console.log(`× ${pkg.name}: Build failed due to an error.`)
+    console.log(e)
+  }
+}
+
+main()