Rename browser.js to bundle.js

so the purpose is clearer

README.md

@@ -21,7 +21,7 @@ import '@github/auto-complete-element'
 With a script tag:
 
 ```html
-<script type="module" src="./node_modules/@github/auto-complete-element/dist/browser.js">
+<script type="module" src="./node_modules/@github/auto-complete-element/dist/bundle.js">
 ```
 
 ### Markup

examples/index.html

@@ -46,7 +46,7 @@
       </auto-complete>
       <button type="submit">Save</button>
     </form>
-    <!-- <script type="module" src="../dist/browser.js"></script> -->
-    <script type="module" src="https://unpkg.com/@github/auto-complete-element@latest/dist/browser.js"></script>
+    <!-- <script type="module" src="../dist/bundle.js"></script> -->
+    <script type="module" src="https://unpkg.com/@github/auto-complete-element@latest/dist/bundle.js"></script>
   </body>
 </html>

rollup.config.js

@@ -23,7 +23,7 @@ export default [
   {
     input: 'src/index.js',
     output: {
-      file: 'dist/browser.js',
+      file: 'dist/bundle.js',
       format: 'es'
     },
     plugins: [

test/karma.config.cjs

@@ -16,7 +16,7 @@ function completer(request, response, next) {
 module.exports = function(config) {
   config.set({
     frameworks: ['mocha', 'chai'],
-    files: [{pattern: '../dist/browser.js', type: 'module'}, {pattern: 'test.js', type: 'module'}],
+    files: [{pattern: '../dist/bundle.js', type: 'module'}, {pattern: 'test.js', type: 'module'}],
     reporters: ['mocha'],
     port: 9876,
     colors: true,