Update README. #76

	name: Build

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]
	workflow_call:

	jobs:
	build:
	runs-on: ubuntu-latest

	steps:
	- uses: actions/checkout@v2
	with:
	submodules: recursive
	- name: Run apt update
	run: sudo apt update
	- name: Install LibELF
	run: sudo apt install -y libelf-dev
	- name: Install LibConfig
	run: sudo apt install -y libconfig-dev
	- name: Install LLVM
	run: sudo apt install -y llvm
	- name: Install LibXDP Depedencies
	run: sudo apt install -y libpcap-dev m4 gcc-multilib linux-tools-$(uname -r)
	- name: Make and install LibXDP
	run: make libxdp
	- name: Make project
	run: make
	- name: Install project
	run: sudo make install
	- name: Store build artifacts
	uses: actions/upload-artifact@master
	with:
	name: build-output
	path: build/xdpfw

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