Added libpng installation to build.yml #24

	name: CI
	permissions: write-all

	on:
	push:
	branches: [ master ]

	jobs:
	build:
	runs-on: ubuntu-latest
	name: Build BPS patches
	steps:
	- name: Checkout
	uses: actions/checkout@master

	- name: Install libpng
	run: sudo apt-get install libpng

	- name: Checkout rgbds
	uses: actions/checkout@master
	with:
	path: rgbds
	ref: v0.5.2
	repository: gbdev/rgbds

	- name: Install rgbds
	working-directory: rgbds
	run: sudo make install

	- name: Build and rename ROMs
	run: \|
	make -j$(nproc)
	mv pokered.gbc pokered-ru.gbc
	mv pokeblue.gbc pokeblue-ru.gbc

	- name: Clone and build pokered ROM
	run: \|
	git clone https://github.com/pret/pokered.git
	cd pokered
	git checkout 6c945a6b
	make -j${nproc}

	- name: Move original ROMs to parent folder and remove pokered
	run: \|
	cd pokered
	mv pokered.gbc ..
	mv pokeblue.gbc ..
	cd ..
	rm -rf pokered

	- name: Remove rgbds
	run: \|
	rm -rf rgbds

	- name: Install unzip, download Floating IPS and create patches
	run: \|
	sudo apt-get install unzip
	wget "https://github.com/Alcaro/Flips/releases/latest/download/flips-linux.zip"
	unzip -p flips-linux.zip builds/linux-x64-gui.zip/flips >flips
	rm flips-linux.zip
	chmod +x flips
	./flips -c -b pokered.gbc pokered-ru.gbc pokered-ru.bps
	./flips -c -b pokeblue.gbc pokeblue-ru.gbc pokeblue-ru.bps

	- name: Create Automatic Release
	uses: marvinpinto/action-automatic-releases@latest
	with:
	repo_token: ${{ secrets.GITHUB_TOKEN }}
	automatic_release_tag: latest
	prerelease: false
	title: Latest Release
	files: \|
	pokered-ru.bps
	pokeblue-ru.bps

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