docs: update README

Author: Himenon

.DS_Store

@@ -1,6 +1,34 @@
 
-# Created by https://www.gitignore.io/api/node
-# Edit at https://www.gitignore.io/?templates=node
+# Created by https://www.toptal.com/developers/gitignore/api/node,macos,windows
+# Edit at https://www.toptal.com/developers/gitignore?templates=node,macos,windows
+
+### macOS ###
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
 
 ### Node ###
 # Logs
@@ -58,6 +86,12 @@ typings/
 # Optional eslint cache
 .eslintcache
 
+# Microbundle cache
+.rpt2_cache/
+.rts2_cache_cjs/
+.rts2_cache_es/
+.rts2_cache_umd/
+
 # Optional REPL history
 .node_repl_history
 
@@ -74,14 +108,18 @@ typings/
 # parcel-bundler cache (https://parceljs.org/)
 .cache
 
-# next.js build output
+# Next.js build output
 .next
 
-# nuxt.js build output
+# Nuxt.js build / generate output
 .nuxt
+dist
 
-# react / gatsby 
-dist/
+# Gatsby files
+.cache/
+# Comment in the public line in if your project uses Gatsby and not Next.js
+# https://nextjs.org/blog/next-9-1#public-directory-support
+# public
 
 # vuepress build output
 .vuepress/dist
@@ -95,4 +133,36 @@ dist/
 # DynamoDB Local files
 .dynamodb/
 
-# End of https://www.gitignore.io/api/node
+# TernJS port file
+.tern-port
+
+# Stores VSCode versions used for testing VSCode extensions
+.vscode-test
+
+### Windows ###
+# Windows thumbnail cache files
+Thumbs.db
+Thumbs.db:encryptable
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk
+
+# End of https://www.toptal.com/developers/gitignore/api/node,macos,windows

.gitignore

@@ -2,14 +2,16 @@
 
 ## packages
 
-### `@path-tree/collection`
+### [`@path-tree/collection`](packages/collection)
 
 Provides a hierarchy of directories and files from a one-dimensional array of objects, including.
 
-### `@path-tree/react`
+### [`@path-tree/react`](packages/react)
 
 Provides components with a hierarchical structure.
 
+[DEMO](https://codesandbox.io/s/react-path-tree-demo-khbxc)
+
 ## LICENSE
 
 `@path-tree` is [MIT licensed](./LICENSE).

README.md

@@ -2,6 +2,8 @@
 
 ## Usage
 
+[DEMO](https://codesandbox.io/s/react-path-tree-demo-khbxc)
+
 ### Basic Usage
 
 ```tsx