Add changelog, generate releases

.github/workflows/publish.yml

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+name: Publish Docker image
+
+on:
+  push:
+    tags:
+    - 'v*'
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Get version from tag
+        id: tag_name
+        run: |
+          echo ::set-output name=current_version::${GITHUB_REF#refs/tags/v}
+        shell: bash
+
+      - name: Get Changelog Entry
+        id: changelog_reader
+        uses: mindsers/changelog-reader-action@v2
+        with:
+          validation_depth: 10
+          version: ${{ steps.tag_name.outputs.current_version }}
+          path: ./CHANGELOG.md
+
+      - name: Create/update release
+        uses: ncipollo/release-action@v1
+        with:
+          tag: ${{ steps.changelog_reader.outputs.version }}
+          name: Release ${{ steps.changelog_reader.outputs.version }}
+          body: ${{ steps.changelog_reader.outputs.changes }}
+          prerelease: ${{ steps.changelog_reader.outputs.status == 'prereleased' }}
+          draft: ${{ steps.changelog_reader.outputs.status == 'unreleased' }}
+          allowUpdates: true
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+  publish:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Set up Buildx
+        uses: docker/setup-buildx-action@v1
+
+      - name: Set up QEMU
+        uses: docker/setup-qemu-action@v1
+
+      - name: Cache Docker layers
+        uses: actions/cache@v2
+        with:
+          path: /tmp/.buildx-cache
+          key: ${{ runner.os }}-buildx-${{ github.sha }}
+          restore-keys: |
+            ${{ runner.os }}-buildx-
+
+      - name: Login to DockerHub
+        uses: docker/login-action@v1
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Get tags
+        id: get-tags
+        uses: Surgo/docker-smart-tag-action@v1
+        with:
+          docker_image: codetheweb/muse
+
+      - name: Wait on lint & build
+        uses: lewagon/[email protected]
+        with:
+          ref: ${{ github.sha }}
+          check-name: 'Lint & build'
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          wait-interval: 10
+
+      - name: Build and push
+        id: docker_build
+        uses: docker/build-push-action@v2
+        with:
+          push: true
+          tags: ${{ steps.get-tags.outputs.tag }}
+          platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
+          cache-from: type=local,src=/tmp/.buildx-cache
+          cache-to: type=local,dest=/tmp/.buildx-cache,mode=max
+
+      - name: Update Docker Hub description
+        uses: peter-evans/[email protected]
+        env:
+          DOCKERHUB_USERNAME: ${{ secrets.DOCKERHUB_USERNAME }}
+          DOCKERHUB_PASSWORD: ${{ secrets.DOCKERHUB_PASSWORD }}
+          DOCKERHUB_REPOSITORY: codetheweb/muse

CHANGELOG.md

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+# Changelog
+All notable changes to this project will be documented in this file.
+
+The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
+and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
+
+## [Unreleased]
+
+## [0.1.0]
+### Added
+- Initial release
+
+[Unreleased]: https://github.com/codetheweb/muse/compare/v0.1.0...HEAD
+[0.1.0]: https://github.com/codetheweb/muse/releases/tag/v0.1.0