docs: introduce new version of sequelize README (#13946)

* docs: introduce new version of sequelize README

- Yarn installation
- Badges
- Emoji (will fit with incoming docusaurus PR)

* fix: link to backers section

Co-authored-by: Sascha Depold <sdepold@users.noreply.github.com>

README.md

@@ -6,63 +6,79 @@
 [![npm version](https://badgen.net/npm/v/sequelize)](https://www.npmjs.com/package/sequelize)
 [![Build Status](https://github.com/sequelize/sequelize/workflows/CI/badge.svg)](https://github.com/sequelize/sequelize/actions?query=workflow%3ACI)
 [![npm downloads](https://badgen.net/npm/dm/sequelize)](https://www.npmjs.com/package/sequelize)
+[![contributors](https://img.shields.io/github/contributors/sequelize/sequelize)](https://github.com/sequelize/sequelize/graphs/contributors)
+[![Open Collective](https://img.shields.io/opencollective/backers/sequelize)](https://opencollective.com/sequelize#section-contributors)
 [![sponsor](https://img.shields.io/opencollective/all/sequelize?label=sponsors)](https://opencollective.com/sequelize)
 [![Merged PRs](https://badgen.net/github/merged-prs/sequelize/sequelize)](https://github.com/sequelize/sequelize)
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT)
 
-Sequelize is a promise-based [Node.js](https://nodejs.org/en/about/) [ORM tool](https://en.wikipedia.org/wiki/Object-relational_mapping) for [Postgres](https://en.wikipedia.org/wiki/PostgreSQL), [MySQL](https://en.wikipedia.org/wiki/MySQL), [MariaDB](https://en.wikipedia.org/wiki/MariaDB), [SQLite](https://en.wikipedia.org/wiki/SQLite), [DB2](https://en.wikipedia.org/wiki/IBM_Db2_Family) and [Microsoft SQL Server](https://en.wikipedia.org/wiki/Microsoft_SQL_Server). It features solid transaction support, relations, eager and lazy loading, read replication and more.
+Sequelize is an easy-to-use and promise-based [Node.js](https://nodejs.org/en/about/) [ORM tool](https://en.wikipedia.org/wiki/Object-relational_mapping) for [Postgres](https://en.wikipedia.org/wiki/PostgreSQL), [MySQL](https://en.wikipedia.org/wiki/MySQL), [MariaDB](https://en.wikipedia.org/wiki/MariaDB), [SQLite](https://en.wikipedia.org/wiki/SQLite), [DB2](https://en.wikipedia.org/wiki/IBM_Db2_Family) and [Microsoft SQL Server](https://en.wikipedia.org/wiki/Microsoft_SQL_Server). It features solid transaction support, relations, eager and lazy loading, read replication and more.
 
 Sequelize follows [Semantic Versioning](http://semver.org) and the [official Node.js LTS schedule](https://nodejs.org/en/about/releases/). Version 7 of Sequelize officially supports the Node.js versions `^12.22.0`, `^14.17,0`, `^16.0.0`. Other version might be working as well.
 
 New to Sequelize? Take a look at the [Tutorials and Guides](https://sequelize.org/master). You might also be interested in the [API Reference](https://sequelize.org/master/identifiers).
 
-Would you like to contribute? Read [our contribution guidelines](https://github.com/sequelize/sequelize/blob/main/CONTRIBUTING.md) to know more. There are many ways to help.
+Would you like to contribute? Read [our contribution guidelines](https://github.com/sequelize/sequelize/blob/main/CONTRIBUTING.md) to know more. There are many ways to help! 😃
 
-### Major version changelog
+### :pencil: Major version changelog
 
 Please find upgrade information to major versions here:
 
 - [Upgrade from v5 to v6](https://github.com/sequelize/sequelize/blob/main/docs/manual/other-topics/upgrade-to-v6.md)
 - [Upgrade from v6 to v7](https://github.com/sequelize/sequelize/blob/main/docs/manual/other-topics/upgrade-to-v7.md)
 
-## Supporting the project
+## :money_with_wings: Supporting the project
 
 Do you like Sequelize and would like to give back to the engineering team behind it?
 
 We have recently created an [OpenCollective based money pool](https://opencollective.com/sequelize) which is shared amongst all core maintainers based on their contributions. Every support is wholeheartedly welcome. ❤️
 
-## Installation
+## :computer: Installation
 
-```bash
+```sh
+# using npm
 npm i sequelize # This will install latest version of Sequelize
+# using yarn
+yarn add sequelize
+```
 
+```sh
 # Libraries used for supported dialects are :
+# using npm
 npm i pg pg-hstore # PostgreSQL
 npm i mysql2 # MySQL
 npm i mariadb # MariaDB
 npm i sqlite3 # SQLite
 npm i tedious # Microsoft SQL Server
 npm i ibm_db # DB2
+# using yarn
+yarn add pg pg-hstore # PostgreSQL
+yarn add mysql2 # MySQL
+yarn add mariadb # MariaDB
+yarn add sqlite3 # SQLite
+yarn add tedious # Microsoft SQL Server
+yarn add ibm_db # DB2
 ```
 
-## Documentation
+## :book: Documentation
 
 - [Latest Version Documentation (v7)](https://sequelize.org/v7)
 - [All Documentation Versions](https://sequelize.org)
 - [Contributing](https://github.com/sequelize/sequelize/blob/main/CONTRIBUTING.md)
 
-## Responsible disclosure
+## :warning: Responsible disclosure
 
 If you have security issues to report, please refer to our [Responsible Disclosure Policy](https://github.com/sequelize/sequelize/blob/main/SECURITY.md) for more details.
 
-## Resources
+## :book: Resources
 
 - [Changelog](https://github.com/sequelize/sequelize/releases)
 - [Discussions](https://github.com/sequelize/sequelize/discussions)
 - [Slack Inviter](http://sequelize-slack.herokuapp.com/)
 - [Stack Overflow](https://stackoverflow.com/questions/tagged/sequelize.js)
 
-### Tools
+### :wrench: Tools
 
 - [CLI](https://github.com/sequelize/cli)
 - [With TypeScript](https://sequelize.org/master/manual/typescript.html)
@@ -72,7 +88,7 @@ If you have security issues to report, please refer to our [Responsible Disclosu
 - [Plugins](https://sequelize.org/master/manual/resources.html)
 - [For YugabyteDB](https://github.com/yugabyte/sequelize-yugabytedb)
 
-### Translations
+### :speech_balloon: Translations
 
 - [English](https://sequelize.org/master) (OFFICIAL)
 - [中文文档](https://github.com/demopark/sequelize-docs-Zh-CN) (UNOFFICIAL)