Clean up Elixir examples and documentation #13

	#
	# Copyright 2023 Fred Dushin <fred@dushin.net>
	#
	# SPDX-License-Identifier: Apache-2.0 OR LGPL-2.1-or-later
	#

	name: "Build Examples"

	on: ["push", "pull_request"]

	jobs:
	build_erlang_examples:
	name: "Build Erlang Examples"
	runs-on: ubuntu-latest

	strategy:
	fail-fast: true

	steps:

	- uses: erlef/setup-beam@v1
	with:
	otp-version: "24"
	elixir-version: "1.11"

	- name: Checkout repo
	uses: actions/checkout@v2

	# - name: "APT update"
	# run: sudo apt update -y

	- name: "Build rebar3"
	run: \|
	cd /tmp
	git clone https://github.com/erlang/rebar3.git
	cd rebar3
	./bootstrap

	- name: "Build Erlang Example Programs"
	run: \|
	REBAR="/tmp/rebar3/rebar3"
	EXAMPLES="arepl_example blinky esp_nvs deep_sleep gpio_interrupt i2c_example hello_world ledc_example read_priv spi_example system_info tcp_client tcp_server uart_example udp_client udp_server wifi"
	for i in ${EXAMPLES}; do cd ./erlang/$i; ${REBAR} fmt -c \|\| exit 1; ${REBAR} packbeam -p -f -i \|\| exit 1; cd ../..; done

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