Revise CONTRIBUTING.md for clarity and structure #127

	name: CI

	on:
	push:
	branches: [main, develop]
	pull_request:
	branches: [main, develop]

	env:
	CARGO_TERM_COLOR: always
	RUST_BACKTRACE: 1

	jobs:
	check:
	name: Rust Check & Test
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4

	- name: Cache Rust dependencies
	uses: actions/cache@v3
	with:
	path: \|
	~/.cargo/registry
	~/.cargo/git
	key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}

	- name: Install Rust
	uses: dtolnay/rust-toolchain@stable
	with:
	components: rustfmt, clippy

	- name: Install system dependencies
	run: \|
	sudo apt-get update
	sudo apt-get install -y protobuf-compiler librocksdb-dev

	- name: Format code (check only)
	run: cargo fmt --all -- --check

	- name: Run Clippy
	run: cargo clippy --all-targets --all-features -- -D warnings

	- name: Build project
	run: cargo build --all-targets --release

	- name: Run tests (skip benchmarks)
	run: cargo test --all --release -- --skip bench

	# Docker build temporarily disabled - can be re-enabled later
	# docker:
	# name: Docker Build
	# runs-on: ubuntu-latest
	# needs: check
	# steps:
	# - uses: actions/checkout@v4
	#
	# - name: Set up Docker Buildx
	# uses: docker/setup-buildx-action@v3
	#
	# - name: Build coordinator Docker image
	# uses: docker/build-push-action@v5
	# with:
	# context: .
	# file: Dockerfile.coordinator
	# tags: minikv-coord:latest
	#
	# - name: Build volume Docker image
	# uses: docker/build-push-action@v5
	# with:
	# context: .
	# file: Dockerfile.volume
	# tags: minikv-volume:latest

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