Improve the initial content

browser/main/modals/InitModal.js

@@ -151,8 +151,8 @@ class InitModal extends React.Component {
             .createNote(data.storage.key, {
               type: 'MARKDOWN_NOTE',
               folder: data.storage.folders[0].key,
-              title: 'Markdown Cheat Sheet',
-              content: '# <font color="#2AA3EF">Markdown Cheat Sheet / Click here</font>\n# 1. Heading\n## h2\n### h3\nStandard\n\n# 2. Emphasis\n*Italic type*\n**Bold**\n~~Negative~~\n\n# 3. List\n- List 1\n- List 2\n- List 3\n\n# 4. Check box\n- [x] Task 1\n- [ ] Task 2\n\n# 5. Source code\n```js\nRender: function () {\nReturn (\n<Div className = “commentBox”>\n<H1> Comments </ h1>\n<CommentList data = {this.state.data} />\n<CommentForm onCommentSubmit = {this.handleCommentSubmit} />\n</Div>\n);\n}\n```\n\n# 6. Link\n- [Boostnote Repository](https://github.com/BoostIO/Boostnote)\n- [Boostnote Blog](https://medium.com/boostnote)\n\n# 7. Quotation\n> Quotation\n> Quotation Quotation\n\n# 8. Table\n| Fruits | Price |\n|:--|:--|\n| Apple | 1$ |\n| Grapes | 4$ |\n| Orange | 2$ |\n\n# 9. Horizontal line\n* * *\n***\n---\n\n# 10. Image\n![Image title](https://boostnote.io/assets/img/logo.png)\n\n# 11. Fold\n<details><summary>Boostnote is a notepad corresponding to markdown notation, which is a tool for organizing and sharing information.</summary>\n- Features - <br>\n· Search function to find memos in one shot\n· Supports markdown notation <br>\n· Support for Mac, Windows, Linux, iOS, Android <br>\n· Export and import to Plain text (.txt), Markdown (.md) format <br>\n· Supports PDF saving <br>\n· Can be used offline <br>\n· Synchronize to dropbox etc. with setting <br>\n· Supports theme colors and numerous fonts <br>\n</details>\n\n# 12. Latex\n$$$\n\mathrm{e}^{\mathrm{i}\theta} = \cos(\theta) + \mathrm{i}\sin(\theta)\n$$$\n\n# 13. Flowchart\n```flowchart\nst=>start: Start:>http://www.google.com[blank]\ne=>end:>http://www.google.com\nop1=>operation: My Operation\nsub1=>subroutine: My Subroutine\ncond=>condition: Yes or No?:>http://www.google.com\nio=>inputoutput: catch something…\nst->op1->cond\ncond(yes)->io->e\ncond(no)->sub1(right)->op1\n```\n\n# 14. Sequence\n```sequence\nTitle: Here is a title\nA-> B: Normal line\nB -> C: Dashed line\nC -> D: Open arrow\nD -> A: Dashed open arrow\n```\n\n# 15. Ketboard\n<kbd>Ctrl</kbd> + <kbd>Shift</kbd> + <kbd>i</kbd>'
+              title: 'Welcome to Boostnote!',
+              content: '# Welcome to Boostnote!\n## Click here to edit markdown :wave:\n\n<iframe width="560" height="315" src="https://www.youtube.com/embed/L0qNPLsvmyM" frameborder="0" allowfullscreen></iframe>\n\n## Docs :memo:\n- [Boostnote | Boost your happiness, productivity and creativity.](https://hackernoon.com/boostnote-boost-your-happiness-productivity-and-creativity-315034efeebe)\n- [Cloud Syncing & Backups](https://github.com/BoostIO/Boostnote/wiki/Cloud-Syncing-and-Backup)\n- [How to sync your data across Desktop and Mobile apps](https://github.com/BoostIO/Boostnote/wiki/Sync-Data-Across-Desktop-and-Mobile-apps)\n- [Convert data from **Evernote** to Boostnote.](https://github.com/BoostIO/Boostnote/wiki/Evernote)\n- [Keyboard Shortcuts](https://github.com/BoostIO/Boostnote/wiki/Keyboard-Shortcuts)\n- [Keymaps in Editor mode](https://github.com/BoostIO/Boostnote/wiki/Keymaps-in-Editor-mode)\n- [How to set syntax highlight in Snippet note](https://github.com/BoostIO/Boostnote/wiki/Syntax-Highlighting)\n\n---\n\n## Article Archive :books:\n- [Reddit English](http://bit.ly/2mOJPu7)\n- [Reddit Spanish](https://www.reddit.com/r/boostnote_es/)\n- [Reddit Chinese](https://www.reddit.com/r/boostnote_cn/)\n- [Reddit Japanese](https://www.reddit.com/r/boostnote_jp/)\n\n---\n\n## Community :beers:\n- [GitHub](http://bit.ly/2AWWzkD)\n- [Twitter](http://bit.ly/2z8BUJZ)\n- [Facebook Group](http://bit.ly/2jcca8t)'
             })
             .then((note) => {
               store.dispatch({