📚 docs: Upgrade.

Author: make-github-pseudonymous-again

.esdoc.json

@@ -5,11 +5,33 @@
   "index": "./README.md",
   "package": "./package.json",
   "plugins": [
+    {
+      "name": "esdoc-inject-script-plugin",
+      "option": {
+        "enable": true,
+        "scripts": [
+          "./doc/scripts/header.js"
+        ]
+      }
+    },
+    {
+      "name": "esdoc-inject-style-plugin",
+      "option": {
+        "enable": true,
+        "styles": [
+          "./doc/css/style.css"
+        ]
+      }
+    },
     {
       "name": "esdoc-standard-plugin",
       "option": {
         "accessor": {
-          "access": ["public", "protected", "private"],
+          "access": [
+            "public",
+            "protected",
+            "private"
+          ],
           "autoPrivate": true
         },
         "brand": {
@@ -20,28 +42,14 @@
           "source": "./test/src"
         },
         "manual": {
-          "files":[
+          "files": [
             "./doc/manual/overview.md",
             "./doc/manual/installation.md",
             "./doc/manual/usage.md",
             "./doc/manual/example.md"
           ]
         }
       }
-    },
-    {
-      "name": "esdoc-inject-style-plugin",
-      "option": {
-        "enable": true,
-        "styles": ["./doc/css/style.css"]
-      }
-    },
-    {
-      "name": "esdoc-inject-script-plugin",
-      "option": {
-        "enable": true,
-        "scripts": ["./doc/scripts/header.js"]
-      }
     }
   ]
 }

doc/manual/usage.md

@@ -1,11 +1,11 @@
 # Usage
 
 The code needs a ES2015+ polyfill to work, for example
-[babel-polyfill](https://babeljs.io/docs/usage/polyfill).
+[@babel/polyfill](https://babeljs.io/docs/usage/polyfill).
 ```js
-require( 'babel-polyfill' ) ;
+require( '@babel/polyfill' ) ;
 // or
-import 'babel-polyfill' ;
+import '@babel/polyfill' ;
 ```
 
 Then