Node: Added DEVELOPER.md file #274

	name: Java CI

	on:
	push:
	branches: ["main"]
	paths:
	- babushka-core/**
	- submodules/**
	- "java/**"
	- ".github/workflows/java.yml"
	pull_request:
	paths:
	- babushka-core/**
	- submodules/**
	- "java/**"
	- ".github/workflows/java.yml"

	# Run only most latest job on a branch and cancel previous ones
	concurrency:
	group: ${{ github.head_ref \|\| github.ref }}
	cancel-in-progress: true

	jobs:
	build-and-test-java-client:
	strategy:
	# Run all jobs
	fail-fast: false
	matrix:
	java:
	- 11
	- 17
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v4
	with:
	submodules: recursive

	- name: Set up JDK ${{ matrix.java }}
	uses: actions/setup-java@v3
	with:
	distribution: "temurin"
	java-version: ${{ matrix.java }}

	- name: Install and run protoc (protobuf)
	run: \|
	sudo apt update
	sudo apt install -y protobuf-compiler
	mkdir -p java/client/src/main/java/org/babushka/javababushka/generated
	protoc -Iprotobuf=babushka-core/src/protobuf/ --java_out=java/client/src/main/java/org/babushka/javababushka/generated babushka-core/src/protobuf/*.proto
	- name: Build rust part
	working-directory: java
	run: cargo build

	- name: Start Redis
	run: docker run -p 6379:6379 -p 8001:8001 -d redis/redis-stack

	- name: Build java part
	working-directory: java
	run: ./gradlew --continue build

	- name: Upload test reports
	if: always()
	continue-on-error: true
	uses: actions/upload-artifact@v3
	with:
	name: test-reports-${{ matrix.java }}
	path: \|
	java/client/build/reports/**
	java/integTest/build/reports/**

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