Added sphinx documentation, updated README, added new edit icon, new connection lines logic #85

	name: NiaAML-GUI

	on:
	push:
	branches: [ master ]
	pull_request:
	branches: [ master ]

	jobs:
	build:

	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest]
	python-version: ['3.10', '3.11', '3.12', '3.13']
	defaults:
	run:
	shell: bash

	steps:
	- uses: actions/checkout@v3
	- name: Set up Python ${{ matrix.python-version }}
	uses: actions/setup-python@v3
	with:
	python-version: ${{ matrix.python-version }}
	- name: Get full Python version
	id: full-python-version
	run: echo ::set-output name=version::$(python -c "import sys; print('-'.join(str(v) for v in sys.version_info))")
	- name: Install poetry
	run: \|
	curl -sL https://install.python-poetry.org \| python - -y
	- name: Update path
	if: ${{ matrix.os != 'windows-latest' }}
	run: echo "$HOME/.local/bin" >> $GITHUB_PATH
	- name: Update Windows path
	if: ${{ matrix.os == 'windows-latest' }}
	run: echo "$APPDATA\Python\Scripts" >> $GITHUB_PATH
	- name: Configure poetry
	run: poetry config virtualenvs.in-project true
	- name: Install system dependencies (for PyQt6)
	run: sudo apt-get update && sudo apt-get install -y libegl1
	- name: Set up cache
	uses: actions/cache@v3
	id: cache
	with:
	path: .venv
	key: venv-${{ runner.os }}-${{ steps.full-python-version.outputs.version }}-${{ hashFiles('**/poetry.lock') }}
	- name: Ensure cache is healthy
	if: steps.cache.outputs.cache-hit == 'true'
	run: timeout 10s poetry run pip --version \|\| rm -rf .venv
	- name: Install dependencies
	run: poetry install
	- name: Run tests with Xvfb (for PyQt support)
	run: \|
	export QT_QPA_PLATFORM=offscreen
	xvfb-run -a poetry run pytest

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