Update README

Author: kaihiroi

README.md

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 # Meta Contract
+A meta contract is a powerful framework for smart contract development, designed to enhance developer productivity and contract maintainability. Built on the principles of the *ERC-7546: UCS* (Upgradeable Clone Standard), this ***mc*** library provides a robust architecture for creating and managing upgradeable smart contracts.
 
-***Meta Contract*** is a framework for smart contract development, with its architecture based on *ERC-7546: UCS*.
-
+## Features
+- **Upgradeable Contracts**: Create smart contracts that can be easily upgraded, allowing for continuous improvement and bug fixes without contract migration.
+- **Modular Design**: A meta contract promotes a modular approach to contract development, enabling code reuse and reducing complexity.
+- **Standard Functions**: Utilize a rich library of standard functions to streamline contract development and ensure consistency across your projects.
+- **Development Kit**: Leverage the mc's Development Kit (DevKit) to simplify contract deployment, testing, and interaction.
+- **Comprehensive Documentation**: Benefit from extensive documentation and guides to help you get started and make the most of mc's features.
 
 ## Getting Started
-### Prerequisite
-- `foundry`
+### Prerequisites
+To use mc, you need to have the following software installed:
+- [Foundry](https://github.com/foundry-rs/foundry) - a blazing fast, portable and modular toolkit for Ethereum application development.
+
+### Installation
+The mc can be installed using Foundry's `forge` command with useful template:
+
+```sh
+forge init <Your Project Name> -t metacontract/template
+```
 
-### Install
-It can be installed from `metacontract/mc`.
+You can also install only this repository at your project root using:
 ```sh
 forge install metacontract/mc
 ```
 
-## Document
-The [MC Book](https://mc-book.ecdysis.xyz/) serves as a comprehensive guide for developing with the meta contract and is available on github at `metacontract/book`.
+## Documentation
+The [MC Book](https://mc-book.ecdysis.xyz/) serves as a comprehensive guide for developing with the meta contract. It covers a wide range of topics, including:
+- Architecture overview
+- Setting up your development environment
+- Creating and deploying upgradeable contracts
+- Using standard functions and libraries
+- Testing and debugging your contracts
+- Best practices and guidelines
+You can find the source code for the MC Book on GitHub at [metacontract/book](https://github.com/metacontract/book).
 
 ## Contributing
-Please check out the [Contributing Guide](./CONTRIBUTING.md).
+We welcome contributions from the community! If you'd like to contribute to mc, please check out our [Contributing Guide](./CONTRIBUTING.md) for detailed instructions on how to:
+- Report issues and bugs
+- Submit feature requests
+- Create pull requests
+- Follow our coding style and guidelines
+- Participate in discussions and decision-making
+We appreciate your help in making mc even better!
+
+## License
+This mc is released under the [MIT License](./LICENSE).