Added missing code for setting mqtt keep alive #647

	name: Build

	on:
	push:
	paths:
	- src/**
	- lib/**
	- scripts/**
	- web/**
	- platformio.ini
	- .github/workflows/**
	branches:
	- '*'
	tags:
	- '*'
	- '!v..*'

	jobs:
	build:

	runs-on: ubuntu-latest

	steps:
	- name: Check out code from repo
	uses: actions/checkout@v4
	- name: Inject secrets into ini file
	run: \|
	sed -i 's/NO_AMS2MQTT_PRICE_KEY/AMS2MQTT_PRICE_KEY="${{secrets.AMS2MQTT_PRICE_KEY}}"/g' platformio.ini
	sed -i 's/NO_AMS2MQTT_PRICE_AUTHENTICATION/AMS2MQTT_PRICE_AUTHENTICATION="${{secrets.AMS2MQTT_PRICE_AUTHENTICATION}}"/g' platformio.ini
	sed -i 's/NO_ENERGY_SPEEDOMETER_USER/ENERGY_SPEEDOMETER_USER=\\"${{secrets.ENERGY_SPEEDOMETER_USER}}\\"/g' platformio.ini
	sed -i 's/NO_ENERGY_SPEEDOMETER_PASS/ENERGY_SPEEDOMETER_PASS=\\"${{secrets.ENERGY_SPEEDOMETER_PASS}}\\"/g' platformio.ini
	- name: Cache Python dependencies
	uses: actions/cache@v3
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('platformio.ini') }}
	- name: Cache PlatformIO dependencies
	uses: actions/cache@v3
	with:
	path: ~/.pio/libdeps
	key: ${{ runner.os }}-pio-${{ hashFiles('platformio.ini') }}
	- name: Set up Python 3.9
	uses: actions/setup-python@v5
	with:
	python-version: 3.9
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -U platformio css_html_js_minify
	- name: Set up node
	uses: actions/setup-node@v4
	with:
	node-version: '16.x'
	- name: Build with node
	run: \|
	cd lib/SvelteUi/app
	npm ci
	npm run build
	cd -
	env:
	CI: true
	- name: PlatformIO lib install
	run: pio pkg install
	- name: PlatformIO run
	run: pio run

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