Fix share name issue (pmndrs#206)

Fix the share name issue inside examples/*/package.json

Author: LuckyPigeon

examples/hacker_news/package.json

@@ -1,7 +1,7 @@
 {
-  "name": "jotai-demo",
+  "name": "hacker_news",
   "version": "1.0.0",
-  "description": "An async-read demo with Jotai",
+  "description": "Demonstrate a news articles with jotai, hit next to see more articles.",
   "keywords": [],
   "main": "src/index.js",
   "dependencies": {

examples/text_length/package.json

@@ -1,7 +1,7 @@
 {
-  "name": "jotai-demo",
+  "name": "text_length",
   "version": "1.0.0",
-  "description": "A basic demo with Jotai",
+  "description": "Count the length and show the uppercase of any text",
   "keywords": [],
   "main": "src/index.js",
   "scripts": {

examples/todos/package.json

@@ -1,7 +1,7 @@
 {
-  "name": "jotai-demo",
+  "name": "todos",
   "version": "1.0.0",
-  "description": "A todo demo with jotai",
+  "description": "Record your todo list by typing them into this app, check them if you have completed the task, and switch between Completed and Incompleted to see the status of your task",
   "keywords": [],
   "main": "src/index.tsx",
   "dependencies": {

examples/todos_with_atomFamily/package.json

@@ -1,7 +1,7 @@
 {
-  "name": "react-typescript",
+  "name": "todos_with_atomFamily",
   "version": "1.0.0",
-  "description": "React and TypeScript example starter project",
+  "description": "Implement a todo list using atomFamily and localStorage, you can store your todo list to localStorage by click Save to localStorage, then remove your todo list and restore them by click Load from localStorage",
   "keywords": [
     "typescript",
     "react",