Include license and version information in web bundles

package.json

@@ -41,6 +41,7 @@
     "@rollup/plugin-node-resolve": "^13.3.0",
     "@vitejs/plugin-legacy": "^2.0.0",
     "rollup": "^2.77.2",
+    "rollup-plugin-license": "^3.5.2",
     "terser": "^5.14.2",
     "typescript": "^4.7.4",
     "vite": "^3.0.0",

rollup.config.js

@@ -1,8 +1,18 @@
+import fs from 'node:fs';
 import commonjs from '@rollup/plugin-commonjs';
 import {nodeResolve} from '@rollup/plugin-node-resolve';
+import license from 'rollup-plugin-license';
+import {version} from './package.json';
 
 const external = ['jszip', 'cross-fetch', '@turbowarp/json'];
 
+const headerPlugin = license({
+  banner: {
+    commentStyle: 'ignored',
+    content: `SBDL v${version} <https://github.com/forkphorus/sb-downloader>\n\n${fs.readFileSync('LICENSE', 'utf-8')}`
+  }
+});
+
 export default [
   {
     // For Node.js
@@ -20,7 +30,10 @@ export default [
       file: 'lib/bundle-web.cjs',
       format: 'cjs'
     },
-    external
+    external,
+    plugins: [
+      headerPlugin
+    ]
   },
   {
     // For browsers using <script>
@@ -35,7 +48,8 @@ export default [
       commonjs(),
       nodeResolve({
         browser: true
-      })
+      }),
+      headerPlugin
     ]
   }
 ];