Add file cache for bypassing re-rendering images already created #10

	name: Run tests and Commit
	on: push

	jobs:
	test:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v4
	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.10'
	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install -r requirements.txt
	- name: Test with unittest
	run: \|
	python3 -m unittest test/sample_cases_test.py

Provide feedback