improve jsdocs little bit, small refactoring, file splitting #61

	name: Lint and build MapServer API and React client

	on:
	push:
	branches:
	- main
	- develop

	jobs:
	build-client:
	timeout-minutes: 10
	runs-on: ubuntu-22.04

	defaults:
	run:
	working-directory: react-client

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Set up Node.js
	uses: actions/setup-node@v4
	with:
	node-version: "20"

	- name: Cache Node.js dependencies
	id: cache-node-modules
	uses: actions/cache@v4
	with:
	path: react-client/node_modules
	key: ${{ runner.os }}-node-${{ hashFiles('**/react-client/package-lock.json') }}
	restore-keys: \|
	${{ runner.os }}-node-

	- name: Install dependencies for React client
	if: steps.cache-node-modules.outputs.cache-hit != 'true'
	run: npm ci --silent --no-progress

	- name: Run ESLint check
	run: npm run eslint:check

	- name: Build React client
	run: npm run build

	build-api:
	timeout-minutes: 10
	runs-on: ubuntu-22.04

	defaults:
	run:
	working-directory: MapServer

	steps:
	- name: Checkout repository
	uses: actions/checkout@v4

	- name: Cache .NET packages
	id: cache-dotnet
	uses: actions/cache@v4
	with:
	path: \|
	~/.nuget/packages
	~/.local/share/NuGet/Cache
	key: ${{ runner.os }}-nuget-${{ hashFiles('*/.csproj') }}
	restore-keys: \|
	${{ runner.os }}-net

	- name: Set up .NET Core
	uses: actions/setup-dotnet@v4
	with:
	dotnet-version: "8.0.x"

	- name: Restore dependencies
	run: dotnet restore --verbosity quiet

	- name: Set environment variables
	run: echo "ASPNETCORE_ENVIRONMENT=CI" >> $GITHUB_ENV

	- name: Build MapServer API
	run: dotnet build --configuration Release --no-restore

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