Provide auto-registering entry point (#8429)

Author: kurkle

auto/auto.esm.d.ts

@@ -0,0 +1,4 @@
+import { Chart } from '../dist/chart.esm';
+
+export * from '../dist/chart.esm';
+export default Chart;

auto/auto.esm.js

@@ -0,0 +1,5 @@
+import {Chart, registrables} from '../dist/chart.esm';
+
+Chart.register(...registrables);
+
+export default Chart;

auto/auto.js

@@ -0,0 +1 @@
+module.exports = require('../dist/chart');

auto/package.json

@@ -0,0 +1,8 @@
+{
+    "name": "chart.js-auto",
+    "private": true,
+    "description": "auto registering package",
+    "main": "auto.js",
+    "module": "auto.esm.js",
+    "types": "auto.esm.d.ts"
+}

docs/docs/getting-started/integration.md

@@ -90,6 +90,12 @@ import { Chart, registerables } from 'chart.js';
 Chart.register(...registerables);
 ```
 
+And finally there is an separate path to do just the above for you, in one line:
+
+```javascript
+import Chart from 'chart.js/auto';
+```
+
 ## Require JS
 
 **Important:** RequireJS [can **not** load CommonJS module as is](https://requirejs.org/docs/commonjs.html#intro), so be sure to require one of the UMD builds instead (i.e. `dist/chart.js`, `dist/chart.min.js`, etc.).

package.json

@@ -25,6 +25,8 @@
     "url": "https://github.com/chartjs/Chart.js/issues"
   },
   "files": [
+    "auto/**/*.js",
+    "auto/**/*.d.ts",
     "dist/*.js",
     "dist/*.d.ts",
     "dist/chunks/*.js",