feat: add MkDocs documentation setup and deployment commands

.github/workflows/docs_pages.yml

@@ -0,0 +1,51 @@
+name: Publish Documentation
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - "v*"
+  workflow_dispatch:
+
+permissions:
+  contents: write
+
+jobs:
+  deploy-docs:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install documentation dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -e ".[docs]"
+
+      - name: Validate documentation build
+        run: mkdocs build --strict
+
+      - name: Configure git identity for mike
+        run: |
+          git config user.name "github-actions[bot]"
+          git config user.email "github-actions[bot]@users.noreply.github.com"
+
+      - name: Deploy dev and latest aliases from main
+        if: github.ref == 'refs/heads/main'
+        run: mike deploy --push --branch gh-pages --update-aliases dev latest
+
+      - name: Deploy release version from tag and update stable alias
+        if: startsWith(github.ref, 'refs/tags/v')
+        run: |
+          VERSION="${GITHUB_REF_NAME#v}"
+          mike deploy --push --branch gh-pages --update-aliases "${VERSION}" stable
+          mike set-default --push --branch gh-pages stable

CHANGELOG.md

@@ -3,6 +3,17 @@
 All notable changes to this project will be documented in this file.
 
 
+## [2.0.1] - 2026-02-16
+
+### Added
+- Documentation and CI for github-pages
+
+### Changed
+- Bumped project version to `2.0.1`.
+- Updated API version metadata and root welcome message to `v2.0.1`.
+
+
+
 ## [2.0.0] - 2025-10-07
 
 ### Added

README.md

@@ -79,6 +79,48 @@ python src/main.py --url https://github.com/qchapp/lungs-segmentation --output_p
 
 If no arguments are provided, it will use the default repository and output path.
 
+## Versioned documentation (GitHub Pages)
+
+The repository includes a versioned documentation site under `docs/` powered by MkDocs Material + Mike.
+
+Install docs dependencies:
+
+```bash
+uv pip install -e ".[docs]"
+```
+
+Local docs preview:
+
+```bash
+just docs-serve
+```
+
+Strict docs build:
+
+```bash
+just docs-build
+```
+
+Manual publish commands:
+
+```bash
+# Publish dev/latest from current branch
+just docs-deploy-dev
+
+# Publish a release version and update stable alias
+just docs-deploy-release 2.0.1
+
+# Set default version in selector
+just docs-set-default stable
+```
+
+Automation:
+
+- `.github/workflows/docs_pages.yml` publishes docs on:
+  - Pushes to `main` (`dev` + `latest`)
+  - Pushes of tags matching `v*` (release version + `stable`)
+- Configure GitHub Pages to serve from the `gh-pages` branch root.
+
 ## How to run the tool using Docker?
 
 1. You need to build the image.