[Docs]Translate contributing.md to Simplified Chinese, part of #14924

[peepeetee]

Description

Part of my partitioning of #14924 to make it multiple small PRs

Files included here (the list is files translated in #14924):

• * Tutorial

  • * Introduction
  • * Setup
  • * Building Your First Firmware
  • * Flashing Firmware
  • * Getting Help/Support
  • * Other Resources
  • * Syllabus

• * FAQs

  • * General FAQ
  • * Build/Compile QMK
  • * Troubleshooting QMK
  • * Debugging QMK
  • * Keymap FAQ
  • * Glossary

• * Configurator

  • * Overview
  • * Step by Step
  • * Troubleshooting
  • * Architecture

• * QMK API

  • * Overview
  • * API Documentation
  • * Keyboard Support
  • * Adding Default Keymaps

• * CLI

  • * Overview
  • * Configuration
  • * Commands
  • * Tab Completion

• * Using QMK

  • * Guides

    • * Customizing Functionality
    • * Driver Installation with Zadig
    • * Easy Maker for One Offs
    • * Keymap Overview
    • * Development Environments
      • * Docker Guide
      • * Vagrant Guide
    • * Flashing
      • * Flashing
      • * Flashing ATmega32A (ps2avrgb)

  • * Advanced Keycodes

    • * Grave Escape
    • * Mod-Tap
    • * Space Cadet Shift

  • * QMK Reference

    • * Contributing to QMK
    • * Translating the QMK Docs

Types of Changes

• Core
• Bugfix
• New feature
• Enhancement/optimization
• Keyboard (addition or update)
• Keymap/layout/userspace (addition or update)
• Documentation

Issues Fixed or Closed by This PR

• [Translation]Translation progress for zh-cn / 简体中文翻译进度 #15443

Checklist

• My code follows the code style of this project: C, Python
• I have read the PR Checklist document and have made the appropriate changes.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• I have tested the changes and verified that they work and don't break anything (as well as I can manage).