add nwbview #207

	name: Testing External Links
	on: pull_request
	jobs:
	build-and-test:
	name: Testing External Links
	runs-on: ubuntu-latest
	strategy:
	fail-fast: false
	steps:
	- uses: actions/checkout@v2
	- run: git fetch --prune --unshallow --tags
	- name: Setup Python
	uses: actions/setup-python@v2
	with:
	python-version: 3.9
	- name: Install sphinx Dependencies
	run: pip install -r requirements.txt
	- name: Test External Links
	run: sphinx-build -b linkcheck ./docs/source ./test_build

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