examples: add VTI and TTI elastic example notebooks #89

	# Core testing using pytest

	name: CI-Core

	# Trigger on push or pull request
	on:
	push:
	branches:
	- master
	pull_request:
	branches:
	- master

	jobs:
	build:
	runs-on: ${{ matrix.os }}
	strategy:
	# Stop all builds in the event of a single failure
	fail-fast: true

	matrix:
	python-version: [3.9, 3.8]
	os: [ubuntu-latest, macos-latest]

	steps:
	- uses: actions/checkout@v2
	- name: Set up Python ${{matrix.python-version}}
	uses: actions/setup-python@v1
	with:
	python-version: ${{matrix.python-version}}
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	- name: Test using Pytest
	run: \|
	python -m pytest tests/

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