Add option to reload mesh/scene and return file open shortcut #36

	name: CI Build
	on:
	push:
	branches: [master]
	pull_request:
	branches: [master]
	jobs:
	linux:
	runs-on: ubuntu-22.04
	steps:
	- name: Install Dependencies
	run: \|
	sudo apt update
	sudo apt install -y python3-pip python3-tk xvfb libxrandr2 libegl1
	pip3 install ogre-python pylint
	- uses: actions/checkout@v4
	- name: Test
	run: \|
	pylint ogre_mesh_viewer.py
	cd test
	xvfb-run timeout --preserve-status 5s python3 ../ogre_mesh_viewer.py cube.obj

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