feat: update readmes, create CONTRIBUTING.md #399

	---
	name: run unit tests
	on:
	pull_request: {}
	push:
	branches: [main]
	tags: ['*']

	jobs:
	unit-tests:
	permissions:
	contents: write
	id-token: write

	runs-on:
	- ubuntu-latest

	steps:
	- name: Checkout Commit
	id: checkout
	uses: actions/checkout@v5
	with:
	fetch-depth: 0

	- name: Setup Helm
	uses: azure/setup-helm@29960d0f5f19214b88e1d9ba750a9914ab0f1a2f #v4.0.0

	- name: Setup Python
	uses: actions/setup-python@v3

	- name: Install uv
	uses: astral-sh/setup-uv@v6
	with:
	enable-cache: true

	- name: Install helm-docs
	env:
	GH_TOKEN: ${{ github.token }}
	run: \|
	gh release download --repo norwoodj/helm-docs v1.14.2 --pattern 'helm-docs_*_Linux_x86_64.tar.gz' --output /tmp/helm-docs.tar.gz
	tar -xzf /tmp/helm-docs.tar.gz --directory /usr/local/bin helm-docs
	chmod +x /usr/local/bin/helm-docs
	rm /tmp/helm-docs.tar.gz
	shell: bash

	- name: Install Helm unittest
	run: helm plugin install https://github.com/helm-unittest/helm-unittest.git --version=v1.0.3 --verify=false
	shell: bash

	- name: Update dependencies
	run: make update-dependencies
	shell: bash

	- name: Run pre-commit
	run: SKIP=helm-unittest uvx pre-commit run --show-diff-on-failure --color=always --all-files
	shell: bash

	- name: Run unit tests
	run: \|
	if [ "${{ github.event_name }}" == "pull_request" ]; then
	uv run --directory ./scripts chartkit affected --base origin/${{ github.base_ref }} \
	\| uv run --directory ./scripts chartkit unittest
	else
	make unit-tests
	fi
	shell: bash

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