docs: update readme

Author: Himenon

README.md

@@ -4,10 +4,14 @@
 
 ### [`@path-tree/collection`](packages/collection)
 
+[![npm version](https://badge.fury.io/js/%40path-tree%2Fcollection.svg)](https://badge.fury.io/js/%40path-tree%2Fcollection)
+
 Provides a hierarchy of directories and files from a one-dimensional array of objects, including.
 
 ### [`@path-tree/react`](packages/react)
 
+[![npm version](https://badge.fury.io/js/%40path-tree%2Freact.svg)](https://badge.fury.io/js/%40path-tree%2Freact)
+
 Provides components with a hierarchical structure.
 
 [DEMO](https://codesandbox.io/s/react-path-tree-demo-khbxc)

packages/collection/README.md

@@ -1,7 +1,17 @@
 # [@path-tree/collection](https://github.com/Himenon/path-tree/tree/master/packages/collection)
 
+[![npm version](https://badge.fury.io/js/%40path-tree%2Fcollection.svg)](https://badge.fury.io/js/%40path-tree%2Fcollection)
+
 ## Usage
 
+### Install
+
+```bash
+yarn add @path-tree/collection
+```
+
+### Basic Usage
+
 ```ts
 import { collect } from "@path-tree/collection";
 
@@ -21,27 +31,12 @@ The results above are as follows.
 
 ```json
 {
-  "nodes": [
-    "dir:a",
-    "dir:a/b",
-    "dir:a/b/c",
-    "file:a/b/c/index.js",
-    "file:a/b/index.js"
-  ],
+  "nodes": ["dir:a", "dir:a/b", "dir:a/b/c", "file:a/b/c/index.js", "file:a/b/index.js"],
   "edges": {
-    "dir:.": [
-      "dir:a"
-    ],
-    "dir:a": [
-      "dir:a/b"
-    ],
-    "dir:a/b": [
-      "dir:a/b/c",
-      "file:a/b/index.js"
-    ],
-    "dir:a/b/c": [
-      "file:a/b/c/index.js"
-    ]
+    "dir:.": ["dir:a"],
+    "dir:a": ["dir:a/b"],
+    "dir:a/b": ["dir:a/b/c", "file:a/b/index.js"],
+    "dir:a/b/c": ["file:a/b/c/index.js"]
   },
   "data": {
     "dir:a": {
@@ -71,4 +66,3 @@ The results above are as follows.
 ## LICENSE
 
 `@path-tree/collection` is [MIT licensed](./LICENSE).
-

packages/react/README.md

@@ -1,9 +1,17 @@
 # [@path-tree/react](https://github.com/Himenon/path-tree/tree/master/packages/react)
 
+[![npm version](https://badge.fury.io/js/%40path-tree%2Freact.svg)](https://badge.fury.io/js/%40path-tree%2Freact)
+
 ## Usage
 
 [DEMO](https://codesandbox.io/s/react-path-tree-demo-khbxc)
 
+### Install
+
+```bash
+yarn add @path-tree/react
+```
+
 ### Basic Usage
 
 ```tsx