diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
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+# Contributing Guide
+
+Thank you for considering to contribute on this code base.
+
+## Development Setup
+
+* Node.js v14.17.0 (LTS)
+* Yarn v1.22.10 (or higher)
+* Install required dependency
+```bash
+yarn install
+```
+* Start local development server
+```bash
+yarn dev
+```
+* Adhere to [commit convention](https://github.com/aldy505/code/blob/master/.github/COMMIT_CONVENTION.md) when you are writing a commit. Using [commitizen](https://commitizen.github.io/cz-cli/) is the recommended way.
+```bash
+git add .
+git cz
+``` 
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diff --git a/LICENSE b/LICENSE
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diff --git a/README.md b/README.md
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+# Code
+
+[![Codacy Badge](https://app.codacy.com/project/badge/Grade/9d8edaee380a43bcb89a28222c34a4b0)](https://www.codacy.com/gh/aldy505/code/dashboard?utm_source=github.com&utm_medium=referral&utm_content=aldy505/code&utm_campaign=Badge_Grade) [![CodeFactor](https://www.codefactor.io/repository/github/aldy505/code/badge)](https://www.codefactor.io/repository/github/aldy505/code) [![Build](https://github.com/aldy505/code/actions/workflows/ci.yml/badge.svg)](https://github.com/aldy505/code/actions/workflows/ci.yml) [![GitHub license](https://img.shields.io/github/license/aldy505/code)](https://github.com/aldy505/code)
+
+## License
+
+Code is a codebase for code.reinaldyrafli.com
+Copyright (C) 2021-present Reinaldy Rafli
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <https://www.gnu.org/licenses/>.
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