standardizes some coding conventions in samples. #89

	name: Build Status

	# Step 1: Build on pull-requests or pushes to main
	on:
	push:
	branches:
	- main
	pull_request:
	branches:
	- main

	jobs:
	# Step 2: Build the samples
	build:
	name: Build
	runs-on: macOS-latest
	strategy:
	fail-fast: false
	matrix:
	regex:
	- "ObjectiveC/BasicExample"
	- "ObjectiveC/AdvancedExample"
	- "Swift/AdvancedExample"
	steps:
	- name: Clone Repo
	uses: actions/checkout@v1

	- name: Xcode version
	run: /usr/bin/xcodebuild -version

	- name: Pod repo update
	run: pod repo update

	- name: Install xcpretty
	run: sudo gem install xcpretty

	- name: Set commit range (push to the main branch, for example, merge)
	if: github.ref == 'refs/heads/main' && github.event_name == 'push'
	run: echo "COMMIT_RANGE="${{ github.event.before }}.."" >> $GITHUB_ENV

	- name: Set commit range (pull request)
	if: github.event_name == 'pull_request'
	run: echo "COMMIT_RANGE="HEAD~.."" >> $GITHUB_ENV

	- name: Build
	run: .github/workflows/build/build.sh
	shell: bash
	env:
	COMMIT_RANGE: ${{ env.COMMIT_RANGE }}
	REGEX: ${{ matrix.regex }}

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