[FEAT]: Add contributing.md

[sendhyrama]

📌 Tutorial Contribute: click here

Outline:

• Setup Guide / Getting Started
• Branch Naming
• Commit Style
• Submitting Pull Requests

[iniakunhuda]

https://axolo.co/blog/p/part-3-github-pull-request-template

[iniakunhuda]

Rules :

• Ketika mau ikutan kontribute, please pilih issue yang mau dikerjakan
• Bikin branch feat/materi1-chapter1 dari branch main
• Sesuaikan format commit sesuai https://www.conventionalcommits.org/en/v1.0.0/ (Wajib)
• Setelah selesai, push ke branch sendiri. Terus bikin pull request sambil tag @iniakunhuda
• Tunggu review dari @iniakunhuda , kalau LGTM bisa di-merge ke main

[yodanisesutantio]

Kalo boleh & belum ada yang ambil, aku Request Materi Part 1 Chapter 3 mas @iniakunhuda

[iniakunhuda]

Kalo boleh & belum ada yang ambil, aku Request Materi Part 1 Chapter 3 mas @iniakunhuda

Bisa comment di issuenya langsung aja ya, thank you @yodanisesutantio